57227957720 has 64 divisors (see below), whose sum is σ = 133527251520. Its totient is φ = 22056205824.

The previous prime is 57227957693. The next prime is 57227957747. The reversal of 57227957720 is 2775972275.

57227957720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57227957693) and next prime (57227957747).

It is a super-4 number, since 4×57227957720⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35267 + ... + 340146.

It is an arithmetic number, because the mean of its divisors is an integer number (2086363305).

Almost surely, 2^57227957720 is an apocalyptic number.

It is an amenable number.

57227957720 is an abundant number, since it is smaller than the sum of its proper divisors (76299293800).

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

57227957720 is a wasteful number, since it uses less digits than its factorization.

57227957720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375564 (or 375560 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 53.

The spelling of 57227957720 in words is "fifty-seven billion, two hundred twenty-seven million, nine hundred fifty-seven thousand, seven hundred twenty".