57252953501 has 2 divisors, whose sum is σ = 57252953502. Its totient is φ = 57252953500.

The previous prime is 57252953489. The next prime is 57252953507. The reversal of 57252953501 is 10535925275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32915393476 + 24337560025 = 181426^2 + 156005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57252953501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57252953507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28626476750 + 28626476751.

It is an arithmetic number, because the mean of its divisors is an integer number (28626476751).

Almost surely, 2^57252953501 is an apocalyptic number.

It is an amenable number.

57252953501 is a deficient number, since it is larger than the sum of its proper divisors (1).

57252953501 is an equidigital number, since it uses as much as digits as its factorization.

57252953501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 57252953501 in words is "fifty-seven billion, two hundred fifty-two million, nine hundred fifty-three thousand, five hundred one".