57653797 has 4 divisors (see below), whose sum is σ = 58631040. Its totient is φ = 56676556.

The previous prime is 57653789. The next prime is 57653821. The reversal of 57653797 is 79735675.

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 a cyclic number.

It is not a de Polignac number, because 57653797 - 2³ = 57653789 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57653797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55653797) 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, 488533 + ... + 488650.

It is an arithmetic number, because the mean of its divisors is an integer number (14657760).

Almost surely, 2^57653797 is an apocalyptic number.

It is an amenable number.

57653797 is a deficient number, since it is larger than the sum of its proper divisors (977243).

57653797 is an equidigital number, since it uses as much as digits as its factorization.

57653797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977242.

The product of its digits is 1389150, while the sum is 49.

The square root of 57653797 is about 7593.0097458123. The cubic root of 57653797 is about 386.3159489127.

The spelling of 57653797 in words is "fifty-seven million, six hundred fifty-three thousand, seven hundred ninety-seven".