56471836 has 6 divisors (see below), whose sum is σ = 98825720. Its totient is φ = 28235916.

The previous prime is 56471813. The next prime is 56471837. The reversal of 56471836 is 63817465.

It is a happy number.

It is a super-2 number, since 2×56471836² = 6378136522421792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56471837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7058976 + ... + 7058983.

Almost surely, 2^56471836 is an apocalyptic number.

It is an amenable number.

56471836 is a deficient number, since it is larger than the sum of its proper divisors (42353884).

56471836 is a wasteful number, since it uses less digits than its factorization.

56471836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117963 (or 14117961 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 56471836 is about 7514.7745142486. The cubic root of 56471836 is about 383.6577444483.

The spelling of 56471836 in words is "fifty-six million, four hundred seventy-one thousand, eight hundred thirty-six".