55822072 has 16 divisors (see below), whose sum is σ = 108043200. Its totient is φ = 27010560.

The previous prime is 55822069. The next prime is 55822097. The reversal of 55822072 is 27022855.

It is a super-2 number, since 2×55822072² = 6232207444746368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112297 + ... + 112792.

It is an arithmetic number, because the mean of its divisors is an integer number (6752700).

Almost surely, 2^55822072 is an apocalyptic number.

It is an amenable number.

55822072 is a deficient number, since it is larger than the sum of its proper divisors (52221128).

55822072 is a wasteful number, since it uses less digits than its factorization.

55822072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225126 (or 225122 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 55822072 is about 7471.4170008105. The cubic root of 55822072 is about 382.1806113937.

The spelling of 55822072 in words is "fifty-five million, eight hundred twenty-two thousand, seventy-two".