55340879 has 16 divisors (see below), whose sum is σ = 62311680. Its totient is φ = 48720000.

The previous prime is 55340849. The next prime is 55340881. The reversal of 55340879 is 97804355.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55340879 is a prime.

It is a super-2 number, since 2×55340879² = 6125225776985282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55340839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45479 + ... + 46679.

It is an arithmetic number, because the mean of its divisors is an integer number (3894480).

Almost surely, 2^55340879 is an apocalyptic number.

55340879 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

55340879 is a deficient number, since it is larger than the sum of its proper divisors (6970801).

55340879 is a wasteful number, since it uses less digits than its factorization.

55340879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 55340879 is about 7439.1450449632. The cubic root of 55340879 is about 381.0792931366.

The spelling of 55340879 in words is "fifty-five million, three hundred forty thousand, eight hundred seventy-nine".