55479868 has 6 divisors (see below), whose sum is σ = 97089776. Its totient is φ = 27739932.

The previous prime is 55479859. The next prime is 55479869. The reversal of 55479868 is 86897455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55479869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934980 + ... + 6934987.

Almost surely, 2^55479868 is an apocalyptic number.

It is an amenable number.

55479868 is a deficient number, since it is larger than the sum of its proper divisors (41609908).

55479868 is a wasteful number, since it uses less digits than its factorization.

55479868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13869971 (or 13869969 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The square root of 55479868 is about 7448.4809189525. The cubic root of 55479868 is about 381.3980541878.

The spelling of 55479868 in words is "fifty-five million, four hundred seventy-nine thousand, eight hundred sixty-eight".