55840076 has 12 divisors (see below), whose sum is σ = 98898072. Its totient is φ = 27583488.

The previous prime is 55840063. The next prime is 55840091. The reversal of 55840076 is 67004855.

It is a super-2 number, since 2×55840076² = 6236228175371552, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83765 + ... + 84428.

It is an arithmetic number, because the mean of its divisors is an integer number (8241506).

Almost surely, 2^55840076 is an apocalyptic number.

It is an amenable number.

55840076 is a deficient number, since it is larger than the sum of its proper divisors (43057996).

55840076 is a wasteful number, since it uses less digits than its factorization.

55840076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168280 (or 168278 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 55840076 is about 7472.6217621394. The cubic root of 55840076 is about 382.2216945464.

The spelling of 55840076 in words is "fifty-five million, eight hundred forty thousand, seventy-six".