57205974951 has 16 divisors (see below), whose sum is σ = 84757432320. Its totient is φ = 38133788760.

The previous prime is 57205974937. The next prime is 57205975027. The reversal of 57205974951 is 15947950275.

It is a happy number.

57205974951 is a `hidden beast` number, since 5 + 7 + 2 + 0 + 597 + 49 + 5 + 1 = 666.

It is not a de Polignac number, because 57205974951 - 2⁹ = 57205974439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57205974251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217786 + ... + 402296.

It is an arithmetic number, because the mean of its divisors is an integer number (5297339520).

Almost surely, 2^57205974951 is an apocalyptic number.

57205974951 is a deficient number, since it is larger than the sum of its proper divisors (27551457369).

57205974951 is a wasteful number, since it uses less digits than its factorization.

57205974951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196003 (or 195997 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 54.

The spelling of 57205974951 in words is "fifty-seven billion, two hundred five million, nine hundred seventy-four thousand, nine hundred fifty-one".