54056145 has 96 divisors (see below), whose sum is σ = 107251200. Its totient is φ = 23063040.

The previous prime is 54056143. The next prime is 54056147. The reversal of 54056145 is 54165045.

54056145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54056143) and next prime (54056147).

It is not a de Polignac number, because 54056145 - 2¹ = 54056143 is a prime.

It is a super-2 number, since 2×54056145² = 5844133624522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54056143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 684216 + ... + 684294.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^54056145 is an apocalyptic number.

54056145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54056145 is a deficient number, since it is larger than the sum of its proper divisors (53195055).

54056145 is a wasteful number, since it uses less digits than its factorization.

54056145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 54056145 is about 7352.2884192610. The cubic root of 54056145 is about 378.1072663860.

Subtracting 54056145 from its reverse (54165045), we obtain a square (108900 = 330²).

The spelling of 54056145 in words is "fifty-four million, fifty-six thousand, one hundred forty-five".