55864938 has 8 divisors (see below), whose sum is σ = 111729888. Its totient is φ = 18621644.

The previous prime is 55864937. The next prime is 55864943. The reversal of 55864938 is 83946855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

55864938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55864937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655406 + ... + 4655417.

It is an arithmetic number, because the mean of its divisors is an integer number (13966236).

Almost surely, 2^55864938 is an apocalyptic number.

55864938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55864938 is a wasteful number, since it uses less digits than its factorization.

55864938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310828.

The product of its digits is 1036800, while the sum is 48.

The square root of 55864938 is about 7474.2851163171. The cubic root of 55864938 is about 382.2784123882.

The spelling of 55864938 in words is "fifty-five million, eight hundred sixty-four thousand, nine hundred thirty-eight".