57438752507 has 2 divisors, whose sum is σ = 57438752508. Its totient is φ = 57438752506.

The previous prime is 57438752447. The next prime is 57438752521. The reversal of 57438752507 is 70525783475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57438752507 is a prime.

It is not a weakly prime, because it can be changed into another prime (57438757507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28719376253 + 28719376254.

It is an arithmetic number, because the mean of its divisors is an integer number (28719376254).

Almost surely, 2^57438752507 is an apocalyptic number.

57438752507 is a deficient number, since it is larger than the sum of its proper divisors (1).

57438752507 is an equidigital number, since it uses as much as digits as its factorization.

57438752507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232000, while the sum is 53.

The spelling of 57438752507 in words is "fifty-seven billion, four hundred thirty-eight million, seven hundred fifty-two thousand, five hundred seven".