55633444 has 24 divisors (see below), whose sum is σ = 102724160. Its totient is φ = 26290656.

The previous prime is 55633441. The next prime is 55633447. The reversal of 55633444 is 44433655.

It is an interprime number because it is at equal distance from previous prime (55633441) and next prime (55633447).

It is a super-2 number, since 2×55633444² = 6190160182602272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55633441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57049 + ... + 58015.

Almost surely, 2^55633444 is an apocalyptic number.

It is an amenable number.

55633444 is a deficient number, since it is larger than the sum of its proper divisors (47090716).

55633444 is a wasteful number, since it uses less digits than its factorization.

55633444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The square root of 55633444 is about 7458.7830106526. The cubic root of 55633444 is about 381.7496509382.

The spelling of 55633444 in words is "fifty-five million, six hundred thirty-three thousand, four hundred forty-four".