57401309508 has 24 divisors (see below), whose sum is σ = 135822818880. Its totient is φ = 18864279840.

The previous prime is 57401309503. The next prime is 57401309527. The reversal of 57401309508 is 80590310475.

57401309508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57401309508² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57401309508.

It is not an unprimeable number, because it can be changed into a prime (57401309503) 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, 33685363 + ... + 33687066.

It is an arithmetic number, because the mean of its divisors is an integer number (5659284120).

Almost surely, 2^57401309508 is an apocalyptic number.

It is an amenable number.

57401309508 is an abundant number, since it is smaller than the sum of its proper divisors (78421509372).

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

57401309508 is a wasteful number, since it uses less digits than its factorization.

57401309508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67372507 (or 67372505 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 57401309508 in words is "fifty-seven billion, four hundred one million, three hundred nine thousand, five hundred eight".