57246620739 has 32 divisors (see below), whose sum is σ = 95641497600. Its totient is φ = 29589040800.

The previous prime is 57246620737. The next prime is 57246620819. The reversal of 57246620739 is 93702664275.

It is not a de Polignac number, because 57246620739 - 2¹ = 57246620737 is a prime.

It is a super-2 number, since 2×57246620739² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57246620691 and 57246620700.

It is not an unprimeable number, because it can be changed into a prime (57246620731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576697 + ... + 668634.

It is an arithmetic number, because the mean of its divisors is an integer number (2988796800).

Almost surely, 2^57246620739 is an apocalyptic number.

57246620739 is a deficient number, since it is larger than the sum of its proper divisors (38394876861).

57246620739 is a wasteful number, since it uses less digits than its factorization.

57246620739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245551.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 57246620739 in words is "fifty-seven billion, two hundred forty-six million, six hundred twenty thousand, seven hundred thirty-nine".