55542626 has 16 divisors (see below), whose sum is σ = 85587840. Its totient is φ = 27020400.

The previous prime is 55542623. The next prime is 55542629. The reversal of 55542626 is 62624555.

55542626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55542623) and next prime (55542629).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55542623) by changing a digit.

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, 15176 + ... + 18476.

It is an arithmetic number, because the mean of its divisors is an integer number (5349240).

Almost surely, 2^55542626 is an apocalyptic number.

55542626 is a deficient number, since it is larger than the sum of its proper divisors (30045214).

55542626 is a wasteful number, since it uses less digits than its factorization.

55542626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its digits is 72000, while the sum is 35.

The square root of 55542626 is about 7452.6925335747. The cubic root of 55542626 is about 381.5418105950.

The spelling of 55542626 in words is "fifty-five million, five hundred forty-two thousand, six hundred twenty-six".