57761933820 has 96 divisors (see below), whose sum is σ = 170363450880. Its totient is φ = 14582396160.

The previous prime is 57761933807. The next prime is 57761933833. The reversal of 57761933820 is 2833916775.

It is an interprime number because it is at equal distance from previous prime (57761933807) and next prime (57761933833).

It is a congruent number.

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, 1705774 + ... + 1739306.

It is an arithmetic number, because the mean of its divisors is an integer number (1774619280).

Almost surely, 2^57761933820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57761933820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85181725440).

57761933820 is an abundant number, since it is smaller than the sum of its proper divisors (112601517060).

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

57761933820 is a wasteful number, since it uses less digits than its factorization.

57761933820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35075 (or 35073 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 57761933820 in words is "fifty-seven billion, seven hundred sixty-one million, nine hundred thirty-three thousand, eight hundred twenty".