57621252693 has 8 divisors (see below), whose sum is σ = 76831945056. Its totient is φ = 38412364400.

The previous prime is 57621252679. The next prime is 57621252727. The reversal of 57621252693 is 39625212675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57621252693 - 2⁶ = 57621252629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57621252643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374643 + ... + 505568.

It is an arithmetic number, because the mean of its divisors is an integer number (9603993132).

Almost surely, 2^57621252693 is an apocalyptic number.

It is an amenable number.

57621252693 is a deficient number, since it is larger than the sum of its proper divisors (19210692363).

57621252693 is a wasteful number, since it uses less digits than its factorization.

57621252693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902035.

The product of its digits is 1360800, while the sum is 48.

The spelling of 57621252693 in words is "fifty-seven billion, six hundred twenty-one million, two hundred fifty-two thousand, six hundred ninety-three".