55800386 has 16 divisors (see below), whose sum is σ = 85276800. Its totient is φ = 27379248.

The previous prime is 55800377. The next prime is 55800401. The reversal of 55800386 is 68300855.

It is a super-2 number, since 2×55800386² = 6227366155497992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27296 + ... + 29268.

It is an arithmetic number, because the mean of its divisors is an integer number (5329800).

Almost surely, 2^55800386 is an apocalyptic number.

55800386 is a deficient number, since it is larger than the sum of its proper divisors (29476414).

55800386 is a wasteful number, since it uses less digits than its factorization.

55800386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 55800386 is about 7469.9655956370. The cubic root of 55800386 is about 382.1311145912.

The spelling of 55800386 in words is "fifty-five million, eight hundred thousand, three hundred eighty-six".