55451832 has 16 divisors (see below), whose sum is σ = 138629640. Its totient is φ = 18483936.

The previous prime is 55451819. The next prime is 55451843. The reversal of 55451832 is 23815455.

It is a junction number, because it is equal to n+sod(n) for n = 55451793 and 55451802.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1155223 + ... + 1155270.

Almost surely, 2^55451832 is an apocalyptic number.

It is an amenable number.

55451832 is an abundant number, since it is smaller than the sum of its proper divisors (83177808).

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

55451832 is a wasteful number, since it uses less digits than its factorization.

55451832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310502 (or 2310498 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 55451832 is about 7446.5986866488. The cubic root of 55451832 is about 381.3337985824. Note that the first 3 decimals are identical.

The spelling of 55451832 in words is "fifty-five million, four hundred fifty-one thousand, eight hundred thirty-two".