55588998 has 16 divisors (see below), whose sum is σ = 115012080. Its totient is φ = 17890656.

The previous prime is 55588993. The next prime is 55589011. The reversal of 55588998 is 89988555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55588991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159565 + ... + 159912.

It is an arithmetic number, because the mean of its divisors is an integer number (7188255).

Almost surely, 2^55588998 is an apocalyptic number.

55588998 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55588998 is an abundant number, since it is smaller than the sum of its proper divisors (59423082).

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

55588998 is a wasteful number, since it uses less digits than its factorization.

55588998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319511.

The product of its digits is 5184000, while the sum is 57.

The square root of 55588998 is about 7455.8029748646. The cubic root of 55588998 is about 381.6479629116.

The spelling of 55588998 in words is "fifty-five million, five hundred eighty-eight thousand, nine hundred ninety-eight".