55288600 has 24 divisors (see below), whose sum is σ = 128546460. Its totient is φ = 22115360.

The previous prime is 55288567. The next prime is 55288609. The reversal of 55288600 is 688255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55288609) 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, 138022 + ... + 138421.

Almost surely, 2^55288600 is an apocalyptic number.

55288600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55288600 is an abundant number, since it is smaller than the sum of its proper divisors (73257860).

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

55288600 is a wasteful number, since it uses less digits than its factorization.

55288600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276459 (or 276450 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 55288600 is about 7435.6304372931. The cubic root of 55288600 is about 380.9592569691.

The spelling of 55288600 in words is "fifty-five million, two hundred eighty-eight thousand, six hundred".