54201845 has 4 divisors (see below), whose sum is σ = 65042220. Its totient is φ = 43361472.

The previous prime is 54201839. The next prime is 54201859. The reversal of 54201845 is 54810245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33097009 + 21104836 = 5753^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 54201845 - 2¹² = 54197749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5420180 + ... + 5420189.

It is an arithmetic number, because the mean of its divisors is an integer number (16260555).

Almost surely, 2^54201845 is an apocalyptic number.

It is an amenable number.

54201845 is a deficient number, since it is larger than the sum of its proper divisors (10840375).

54201845 is a wasteful number, since it uses less digits than its factorization.

54201845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10840374.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 54201845 is about 7362.1902311744. The cubic root of 54201845 is about 378.4466715665.

Subtracting 54201845 from its reverse (54810245), we obtain a square (608400 = 780²).

The spelling of 54201845 in words is "fifty-four million, two hundred one thousand, eight hundred forty-five".