54777745 has 8 divisors (see below), whose sum is σ = 71709120. Its totient is φ = 39838320.

The previous prime is 54777739. The next prime is 54777761.

54777745 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54777745 - 2¹³ = 54769553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54777695 and 54777704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497925 + ... + 498034.

It is an arithmetic number, because the mean of its divisors is an integer number (8963640).

Almost surely, 2^54777745 is an apocalyptic number.

54777745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54777745 is a deficient number, since it is larger than the sum of its proper divisors (16931375).

54777745 is a wasteful number, since it uses less digits than its factorization.

54777745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995975.

The product of its digits is 960400, while the sum is 46.

The square root of 54777745 is about 7401.1988893692. The cubic root of 54777745 is about 379.7822968153.

The spelling of 54777745 in words is "fifty-four million, seven hundred seventy-seven thousand, seven hundred forty-five".