55874644 has 24 divisors (see below), whose sum is σ = 112609728. Its totient is φ = 23761920.

The previous prime is 55874641. The next prime is 55874647. The reversal of 55874644 is 44647855.

It is an interprime number because it is at equal distance from previous prime (55874641) and next prime (55874647).

It is a self number, because there is not a number n which added to its sum of digits gives 55874644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55874641) 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, 3949 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (4692072).

Almost surely, 2^55874644 is an apocalyptic number.

It is an amenable number.

55874644 is an abundant number, since it is smaller than the sum of its proper divisors (56735084).

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

55874644 is a wasteful number, since it uses less digits than its factorization.

55874644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375 (or 15373 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 55874644 is about 7474.9343809829. The cubic root of 55874644 is about 382.3005501818.

The spelling of 55874644 in words is "fifty-five million, eight hundred seventy-four thousand, six hundred forty-four".