55495554 has 16 divisors (see below), whose sum is σ = 111116448. Its totient is φ = 18477632.

The previous prime is 55495541. The next prime is 55495613. The reversal of 55495554 is 45559455.

55495554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (6944778).

Almost surely, 2^55495554 is an apocalyptic number.

55495554 is an abundant number, since it is smaller than the sum of its proper divisors (55620894).

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

55495554 is a wasteful number, since it uses less digits than its factorization.

55495554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449.

The product of its digits is 450000, while the sum is 42.

The square root of 55495554 is about 7449.5338109173. The cubic root of 55495554 is about 381.4339954301.

The spelling of 55495554 in words is "fifty-five million, four hundred ninety-five thousand, five hundred fifty-four".