57012381948 has 24 divisors (see below), whose sum is σ = 133192944640. Its totient is φ = 18980691120.

The previous prime is 57012381851. The next prime is 57012381997. The reversal of 57012381948 is 84918321075.

It is a junction number, because it is equal to n+sod(n) for n = 57012381897 and 57012381906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2919388 + ... + 2938851.

Almost surely, 2^57012381948 is an apocalyptic number.

It is an amenable number.

57012381948 is an abundant number, since it is smaller than the sum of its proper divisors (76180562692).

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

57012381948 is a wasteful number, since it uses less digits than its factorization.

57012381948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859057 (or 5859055 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 57012381948 in words is "fifty-seven billion, twelve million, three hundred eighty-one thousand, nine hundred forty-eight".