55814638 has 24 divisors (see below), whose sum is σ = 97445376. Its totient is φ = 23876160.

The previous prime is 55814617. The next prime is 55814641. The reversal of 55814638 is 83641855.

It is a self number, because there is not a number n which added to its sum of digits gives 55814638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2670 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (4060224).

Almost surely, 2^55814638 is an apocalyptic number.

55814638 is a deficient number, since it is larger than the sum of its proper divisors (41630738).

55814638 is a wasteful number, since it uses less digits than its factorization.

55814638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13608 (or 13597 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 55814638 is about 7470.9194882558. The cubic root of 55814638 is about 382.1636452446.

The spelling of 55814638 in words is "fifty-five million, eight hundred fourteen thousand, six hundred thirty-eight".