55556522 has 8 divisors (see below), whose sum is σ = 95239776. Its totient is φ = 23809932.

The previous prime is 55556521. The next prime is 55556581. The reversal of 55556522 is 22565555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55556521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984148 + ... + 1984175.

It is an arithmetic number, because the mean of its divisors is an integer number (11904972).

Almost surely, 2^55556522 is an apocalyptic number.

55556522 is a deficient number, since it is larger than the sum of its proper divisors (39683254).

55556522 is a wasteful number, since it uses less digits than its factorization.

55556522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968332.

The product of its digits is 75000, while the sum is 35.

The square root of 55556522 is about 7453.6247557816. The cubic root of 55556522 is about 381.5736267771.

The spelling of 55556522 in words is "fifty-five million, five hundred fifty-six thousand, five hundred twenty-two".