57520053 has 6 divisors (see below), whose sum is σ = 83084534. Its totient is φ = 38346696.

The previous prime is 57520037. The next prime is 57520069. The reversal of 57520053 is 35002575.

It is an interprime number because it is at equal distance from previous prime (57520037) and next prime (57520069).

It can be written as a sum of positive squares in only one way, i.e., 40030929 + 17489124 = 6327^2 + 4182^2 .

It is not a de Polignac number, because 57520053 - 2⁴ = 57520037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57519999 and 57520026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57520013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3195550 + ... + 3195567.

Almost surely, 2^57520053 is an apocalyptic number.

It is an amenable number.

57520053 is a deficient number, since it is larger than the sum of its proper divisors (25564481).

57520053 is a wasteful number, since it uses less digits than its factorization.

57520053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391123 (or 6391120 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 57520053 is about 7584.1975844515. The cubic root of 57520053 is about 386.0169952337.

The spelling of 57520053 in words is "fifty-seven million, five hundred twenty thousand, fifty-three".