57477040 has 20 divisors (see below), whose sum is σ = 133634304. Its totient is φ = 22990784.

The previous prime is 57477037. The next prime is 57477041. The reversal of 57477040 is 4077475.

57477040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×57477040² = 6607220254323200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57476987 and 57477005.

It is not an unprimeable number, because it can be changed into a prime (57477041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359152 + ... + 359311.

Almost surely, 2^57477040 is an apocalyptic number.

It is an amenable number.

57477040 is an abundant number, since it is smaller than the sum of its proper divisors (76157264).

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

57477040 is a wasteful number, since it uses less digits than its factorization.

57477040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718476 (or 718470 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 57477040 is about 7581.3613553240. The cubic root of 57477040 is about 385.9207511786.

The spelling of 57477040 in words is "fifty-seven million, four hundred seventy-seven thousand, forty".