57611538939 has 8 divisors (see below), whose sum is σ = 79464191760. Its totient is φ = 37083289376.

The previous prime is 57611538931. The next prime is 57611538947. The reversal of 57611538939 is 93983511675.

It is an interprime number because it is at equal distance from previous prime (57611538931) and next prime (57611538947).

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 57611538939 - 2³ = 57611538931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57611538931) 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, 331100712 + ... + 331100885.

It is an arithmetic number, because the mean of its divisors is an integer number (9933023970).

Almost surely, 2^57611538939 is an apocalyptic number.

57611538939 is a deficient number, since it is larger than the sum of its proper divisors (21852652821).

57611538939 is a wasteful number, since it uses less digits than its factorization.

57611538939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662201629.

The product of its digits is 6123600, while the sum is 57.

The spelling of 57611538939 in words is "fifty-seven billion, six hundred eleven million, five hundred thirty-eight thousand, nine hundred thirty-nine".