55800458 has 16 divisors (see below), whose sum is σ = 96215040. Its totient is φ = 23775216.

The previous prime is 55800431. The next prime is 55800487. The reversal of 55800458 is 85400855.

It is a happy number.

55800458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55800458² = 6227382226019528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9098 + ... + 13941.

It is an arithmetic number, because the mean of its divisors is an integer number (6013440).

Almost surely, 2^55800458 is an apocalyptic number.

55800458 is a deficient number, since it is larger than the sum of its proper divisors (40414582).

55800458 is a wasteful number, since it uses less digits than its factorization.

55800458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23221.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 55800458 is about 7469.9704149347. The cubic root of 55800458 is about 382.1312789475.

The spelling of 55800458 in words is "fifty-five million, eight hundred thousand, four hundred fifty-eight".