57251902361 has 4 divisors (see below), whose sum is σ = 60265160400. Its totient is φ = 54238644324.

The previous prime is 57251902349. The next prime is 57251902373. The reversal of 57251902361 is 16320915275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (57251902349) and next prime (57251902373).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57251902361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57251902061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506628991 + ... + 1506629028.

It is an arithmetic number, because the mean of its divisors is an integer number (15066290100).

Almost surely, 2^57251902361 is an apocalyptic number.

It is an amenable number.

57251902361 is a deficient number, since it is larger than the sum of its proper divisors (3013258039).

57251902361 is a wasteful number, since it uses less digits than its factorization.

57251902361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013258038.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 57251902361 in words is "fifty-seven billion, two hundred fifty-one million, nine hundred two thousand, three hundred sixty-one".