55576612 has 48 divisors (see below), whose sum is σ = 121714432. Its totient is φ = 21617280.

The previous prime is 55576601. The next prime is 55576613. The reversal of 55576612 is 21667555.

It is not an unprimeable number, because it can be changed into a prime (55576613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20953 + ... + 23455.

Almost surely, 2^55576612 is an apocalyptic number.

55576612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55576612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60857216).

55576612 is an abundant number, since it is smaller than the sum of its proper divisors (66137820).

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

55576612 is a wasteful number, since it uses less digits than its factorization.

55576612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2586 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 55576612 is about 7454.9723004180. The cubic root of 55576612 is about 381.6196153190.

The spelling of 55576612 in words is "fifty-five million, five hundred seventy-six thousand, six hundred twelve".