55516522 has 16 divisors (see below), whose sum is σ = 85497120. Its totient is φ = 27026608.

The previous prime is 55516481. The next prime is 55516523. The reversal of 55516522 is 22561555.

It is not an unprimeable number, because it can be changed into a prime (55516523) 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, 10428 + ... + 14824.

It is an arithmetic number, because the mean of its divisors is an integer number (5343570).

Almost surely, 2^55516522 is an apocalyptic number.

55516522 is a deficient number, since it is larger than the sum of its proper divisors (29980598).

55516522 is a wasteful number, since it uses less digits than its factorization.

55516522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565.

The product of its digits is 15000, while the sum is 31.

The square root of 55516522 is about 7450.9410143954. The cubic root of 55516522 is about 381.4820287130.

The spelling of 55516522 in words is "fifty-five million, five hundred sixteen thousand, five hundred twenty-two".