57150207228 has 12 divisors (see below), whose sum is σ = 133350483560. Its totient is φ = 19050069072.

The previous prime is 57150207227. The next prime is 57150207307. The reversal of 57150207228 is 82270205175.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×57150207228² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57150207221) 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, 2381258623 + ... + 2381258646.

Almost surely, 2^57150207228 is an apocalyptic number.

It is an amenable number.

57150207228 is an abundant number, since it is smaller than the sum of its proper divisors (76200276332).

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

57150207228 is a wasteful number, since it uses less digits than its factorization.

57150207228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762517276 (or 4762517274 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The spelling of 57150207228 in words is "fifty-seven billion, one hundred fifty million, two hundred seven thousand, two hundred twenty-eight".