57095339621 has 4 divisors (see below), whose sum is σ = 57506097600. Its totient is φ = 56684581644.

The previous prime is 57095339617. The next prime is 57095339629. The reversal of 57095339621 is 12693359075.

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 a cyclic number.

It is not a de Polignac number, because 57095339621 - 2² = 57095339617 is a prime.

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 57095339621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57095339629) 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, 205378781 + ... + 205379058.

It is an arithmetic number, because the mean of its divisors is an integer number (14376524400).

Almost surely, 2^57095339621 is an apocalyptic number.

It is an amenable number.

57095339621 is a deficient number, since it is larger than the sum of its proper divisors (410757979).

57095339621 is a wasteful number, since it uses less digits than its factorization.

57095339621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410757978.

The product of its (nonzero) digits is 1530900, while the sum is 50.

The spelling of 57095339621 in words is "fifty-seven billion, ninety-five million, three hundred thirty-nine thousand, six hundred twenty-one".