55595958 has 64 divisors (see below), whose sum is σ = 129669120. Its totient is φ = 15724800.

The previous prime is 55595909. The next prime is 55595977. The reversal of 55595958 is 85959555.

55595958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55595958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58866 + ... + 59802.

It is an arithmetic number, because the mean of its divisors is an integer number (2026080).

Almost surely, 2^55595958 is an apocalyptic number.

55595958 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55595958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64834560).

55595958 is an abundant number, since it is smaller than the sum of its proper divisors (74073162).

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

55595958 is a wasteful number, since it uses less digits than its factorization.

55595958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its digits is 2025000, while the sum is 51.

The square root of 55595958 is about 7456.2697107870. The cubic root of 55595958 is about 381.6638902777.

The spelling of 55595958 in words is "fifty-five million, five hundred ninety-five thousand, nine hundred fifty-eight".