55744430 has 32 divisors (see below), whose sum is σ = 115568640. Its totient is φ = 18963360.

The previous prime is 55744427. The next prime is 55744441. The reversal of 55744430 is 3444755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6131 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^55744430 is an apocalyptic number.

55744430 is an abundant number, since it is smaller than the sum of its proper divisors (59824210).

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

55744430 is a wasteful number, since it uses less digits than its factorization.

55744430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 55744430 is about 7466.2192574288. The cubic root of 55744430 is about 382.0033396088.

The spelling of 55744430 in words is "fifty-five million, seven hundred forty-four thousand, four hundred thirty".