55412300 has 18 divisors (see below), whose sum is σ = 120244908. Its totient is φ = 22164880.

The previous prime is 55412297. The next prime is 55412311. The reversal of 55412300 is 321455.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276962 + ... + 277161.

Almost surely, 2^55412300 is an apocalyptic number.

55412300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55412300 is an abundant number, since it is smaller than the sum of its proper divisors (64832608).

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

55412300 is a wasteful number, since it uses less digits than its factorization.

55412300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554137 (or 554130 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55412300 is about 7443.9438471821. The cubic root of 55412300 is about 381.2431585263.

Adding to 55412300 its reverse (321455), we get a palindrome (55733755).

The spelling of 55412300 in words is "fifty-five million, four hundred twelve thousand, three hundred".