53925645 has 32 divisors (see below), whose sum is σ = 90979200. Its totient is φ = 27233024.

The previous prime is 53925643. The next prime is 53925653. The reversal of 53925645 is 54652935.

It is a cyclic number.

It is not a de Polignac number, because 53925645 - 2¹ = 53925643 is a prime.

It is a super-3 number, since 3×53925645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53925643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21886 + ... + 24224.

It is an arithmetic number, because the mean of its divisors is an integer number (2843100).

Almost surely, 2^53925645 is an apocalyptic number.

It is an amenable number.

53925645 is a deficient number, since it is larger than the sum of its proper divisors (37053555).

53925645 is a wasteful number, since it uses less digits than its factorization.

53925645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its digits is 162000, while the sum is 39.

The square root of 53925645 is about 7343.4082686447. The cubic root of 53925645 is about 377.8027511525.

The spelling of 53925645 in words is "fifty-three million, nine hundred twenty-five thousand, six hundred forty-five".