55568058 has 128 divisors (see below), whose sum is σ = 146227200. Its totient is φ = 13970880.

The previous prime is 55568057. The next prime is 55568063. The reversal of 55568058 is 85086555.

It is a super-3 number, since 3×55568058³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55568057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 829341 + ... + 829407.

It is an arithmetic number, because the mean of its divisors is an integer number (1142400).

Almost surely, 2^55568058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55568058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73113600).

55568058 is an abundant number, since it is smaller than the sum of its proper divisors (90659142).

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

55568058 is a wasteful number, since it uses less digits than its factorization.

55568058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 55568058 is about 7454.3985672890. The cubic root of 55568058 is about 381.6000354900.

The spelling of 55568058 in words is "fifty-five million, five hundred sixty-eight thousand, fifty-eight".