57247597290 has 64 divisors (see below), whose sum is σ = 148007575296. Its totient is φ = 14087473152.

The previous prime is 57247597289. The next prime is 57247597331. The reversal of 57247597290 is 9279574275.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57247597290.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1390339 + ... + 1430921.

It is an arithmetic number, because the mean of its divisors is an integer number (2312618364).

Almost surely, 2^57247597290 is an apocalyptic number.

57247597290 is an abundant number, since it is smaller than the sum of its proper divisors (90759978006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57247597290 is a wasteful number, since it uses less digits than its factorization.

57247597290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44223.

The product of its (nonzero) digits is 11113200, while the sum is 57.

The spelling of 57247597290 in words is "fifty-seven billion, two hundred forty-seven million, five hundred ninety-seven thousand, two hundred ninety".