57265352553 has 4 divisors (see below), whose sum is σ = 76353803408. Its totient is φ = 38176901700.

The previous prime is 57265352549. The next prime is 57265352587. The reversal of 57265352553 is 35525356275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57265352553 - 2² = 57265352549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57265352513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9544225423 + ... + 9544225428.

It is an arithmetic number, because the mean of its divisors is an integer number (19088450852).

Almost surely, 2^57265352553 is an apocalyptic number.

It is an amenable number.

57265352553 is a deficient number, since it is larger than the sum of its proper divisors (19088450855).

57265352553 is a wasteful number, since it uses less digits than its factorization.

57265352553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19088450854.

The product of its digits is 4725000, while the sum is 48.

The spelling of 57265352553 in words is "fifty-seven billion, two hundred sixty-five million, three hundred fifty-two thousand, five hundred fifty-three".