55646200 has 48 divisors (see below), whose sum is σ = 135013680. Its totient is φ = 21288960.

The previous prime is 55646197. The next prime is 55646203. The reversal of 55646200 is 264655.

It is an interprime number because it is at equal distance from previous prime (55646197) and next prime (55646203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1449 + ... + 10648.

It is an arithmetic number, because the mean of its divisors is an integer number (2812785).

Almost surely, 2^55646200 is an apocalyptic number.

55646200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55646200 is an abundant number, since it is smaller than the sum of its proper divisors (79367480).

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

55646200 is a wasteful number, since it uses less digits than its factorization.

55646200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12136 (or 12127 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 55646200 is about 7459.6380609249. The cubic root of 55646200 is about 381.7788253944.

The spelling of 55646200 in words is "fifty-five million, six hundred forty-six thousand, two hundred".