56671704 has 32 divisors (see below), whose sum is σ = 157422000. Its totient is φ = 18890496.

The previous prime is 56671697. The next prime is 56671709. The reversal of 56671704 is 40717665.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671709) 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, 130969 + ... + 131400.

Almost surely, 2^56671704 is an apocalyptic number.

56671704 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56671704 is an abundant number, since it is smaller than the sum of its proper divisors (100750296).

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

56671704 is a wasteful number, since it uses less digits than its factorization.

56671704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262384 (or 262374 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 56671704 is about 7528.0611049592. The cubic root of 56671704 is about 384.1098318641.

It can be divided in two parts, 56671 and 704, that added together give a palindrome (57375).

The spelling of 56671704 in words is "fifty-six million, six hundred seventy-one thousand, seven hundred four".