57481356 has 24 divisors (see below), whose sum is σ = 134254960. Its totient is φ = 19141632.

The previous prime is 57481339. The next prime is 57481357. The reversal of 57481356 is 65318475.

It is not an unprimeable number, because it can be changed into a prime (57481357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16260 + ... + 19476.

Almost surely, 2^57481356 is an apocalyptic number.

It is an amenable number.

57481356 is an abundant number, since it is smaller than the sum of its proper divisors (76773604).

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

57481356 is a wasteful number, since it uses less digits than its factorization.

57481356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4711 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 57481356 is about 7581.6459954287. The cubic root of 57481356 is about 385.9304106430.

The spelling of 57481356 in words is "fifty-seven million, four hundred eighty-one thousand, three hundred fifty-six".