53921325 has 24 divisors (see below), whose sum is σ = 89378208. Its totient is φ = 28684480.

The previous prime is 53921323. The next prime is 53921327. The reversal of 53921325 is 52312935.

It is an interprime number because it is at equal distance from previous prime (53921323) and next prime (53921327).

It is not a de Polignac number, because 53921325 - 2¹ = 53921323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53921292 and 53921301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53921323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41587 + ... + 42863.

It is an arithmetic number, because the mean of its divisors is an integer number (3724092).

Almost surely, 2^53921325 is an apocalyptic number.

It is an amenable number.

53921325 is a deficient number, since it is larger than the sum of its proper divisors (35456883).

53921325 is a wasteful number, since it uses less digits than its factorization.

53921325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1848 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 53921325 is about 7343.1141214065. The cubic root of 53921325 is about 377.7926622516.

The spelling of 53921325 in words is "fifty-three million, nine hundred twenty-one thousand, three hundred twenty-five".