57105525 has 12 divisors (see below), whose sum is σ = 94414592. Its totient is φ = 30456240.

The previous prime is 57105523. The next prime is 57105547. The reversal of 57105525 is 52550175.

It is not a de Polignac number, because 57105525 - 2¹ = 57105523 is a prime.

It is a super-2 number, since 2×57105525² = 6522081971051250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57105492 and 57105501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57105523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380629 + ... + 380778.

Almost surely, 2^57105525 is an apocalyptic number.

It is an amenable number.

57105525 is a deficient number, since it is larger than the sum of its proper divisors (37309067).

57105525 is a wasteful number, since it uses less digits than its factorization.

57105525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761420 (or 761415 counting only the distinct ones).

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

The square root of 57105525 is about 7556.8197676007. The cubic root of 57105525 is about 385.0874597504.

It can be divided in two parts, 57105 and 525, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 57105525 in words is "fifty-seven million, one hundred five thousand, five hundred twenty-five".