56211772 has 6 divisors (see below), whose sum is σ = 98370608. Its totient is φ = 28105884.

The previous prime is 56211767. The next prime is 56211803. The reversal of 56211772 is 27711265.

It is a super-2 number, since 2×56211772² = 6319526622759968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7026468 + ... + 7026475.

Almost surely, 2^56211772 is an apocalyptic number.

It is an amenable number.

56211772 is a deficient number, since it is larger than the sum of its proper divisors (42158836).

56211772 is a wasteful number, since it uses less digits than its factorization.

56211772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052947 (or 14052945 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 56211772 is about 7497.4510335180. The cubic root of 56211772 is about 383.0678980760.

The spelling of 56211772 in words is "fifty-six million, two hundred eleven thousand, seven hundred seventy-two".