57007207936 has 80 divisors (see below), whose sum is σ = 130974902784. Its totient is φ = 24281524224.

The previous prime is 57007207877. The next prime is 57007207937. The reversal of 57007207936 is 63970270075.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57007207937) 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, 535401 + ... + 632983.

Almost surely, 2^57007207936 is an apocalyptic number.

57007207936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57007207936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65487451392).

57007207936 is an abundant number, since it is smaller than the sum of its proper divisors (73967694848).

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

57007207936 is an equidigital number, since it uses as much as digits as its factorization.

57007207936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97771 (or 97755 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 57007207936 in words is "fifty-seven billion, seven million, two hundred seven thousand, nine hundred thirty-six".