55397600 has 36 divisors (see below), whose sum is σ = 135241344. Its totient is φ = 22158720.

The previous prime is 55397599. The next prime is 55397609. The reversal of 55397600 is 679355.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55397609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33824 + ... + 35423.

It is an arithmetic number, because the mean of its divisors is an integer number (3756704).

Almost surely, 2^55397600 is an apocalyptic number.

55397600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55397600 is an abundant number, since it is smaller than the sum of its proper divisors (79843744).

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

55397600 is a wasteful number, since it uses less digits than its factorization.

55397600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69267 (or 69254 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 55397600 is about 7442.9564018608. The cubic root of 55397600 is about 381.2094429669.

The spelling of 55397600 in words is "fifty-five million, three hundred ninety-seven thousand, six hundred".