57155025 has 24 divisors (see below), whose sum is σ = 96806304. Its totient is φ = 29737600.

The previous prime is 57154997. The next prime is 57155029. The reversal of 57155025 is 52055175.

57155025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57155025 - 2¹⁶ = 57089489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57154983 and 57155001.

It is not an unprimeable number, because it can be changed into a prime (57155029) 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 23 ways as a sum of consecutive naturals, for example, 6219 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (4033596).

Almost surely, 2^57155025 is an apocalyptic number.

It is an amenable number.

57155025 is a deficient number, since it is larger than the sum of its proper divisors (39651279).

57155025 is a wasteful number, since it uses less digits than its factorization.

57155025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18641 (or 18636 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 57155025 is about 7560.0942454443. The cubic root of 57155025 is about 385.1986943125.

The spelling of 57155025 in words is "fifty-seven million, one hundred fifty-five thousand, twenty-five".