55458204 has 12 divisors (see below), whose sum is σ = 129402504. Its totient is φ = 18486064.

The previous prime is 55458203. The next prime is 55458217. The reversal of 55458204 is 40285455.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55458204² = 6151224781811232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55458203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310747 + ... + 2310770.

It is an arithmetic number, because the mean of its divisors is an integer number (10783542).

Almost surely, 2^55458204 is an apocalyptic number.

It is an amenable number.

55458204 is an abundant number, since it is smaller than the sum of its proper divisors (73944300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55458204 is a wasteful number, since it uses less digits than its factorization.

55458204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621524 (or 4621522 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 55458204 is about 7447.0265206994. The cubic root of 55458204 is about 381.3484044472.

The spelling of 55458204 in words is "fifty-five million, four hundred fifty-eight thousand, two hundred four".