55099626 has 16 divisors (see below), whose sum is σ = 110424384. Its totient is φ = 18329024.

The previous prime is 55099579. The next prime is 55099631. The reversal of 55099626 is 62699055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6111 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (6901524).

Almost surely, 2^55099626 is an apocalyptic number.

55099626 is an abundant number, since it is smaller than the sum of its proper divisors (55324758).

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

55099626 is a wasteful number, since it uses less digits than its factorization.

55099626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18765.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 55099626 is about 7422.9122317322. The cubic root of 55099626 is about 380.5247275371.

The spelling of 55099626 in words is "fifty-five million, ninety-nine thousand, six hundred twenty-six".