55126555 has 16 divisors (see below), whose sum is σ = 72916704. Its totient is φ = 39674880.

The previous prime is 55126531. The next prime is 55126567. The reversal of 55126555 is 55562155.

It is not a de Polignac number, because 55126555 - 2⁵ = 55126523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55126555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (4557294).

Almost surely, 2^55126555 is an apocalyptic number.

55126555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55126555 is a deficient number, since it is larger than the sum of its proper divisors (17790149).

55126555 is a wasteful number, since it uses less digits than its factorization.

55126555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10446.

The product of its digits is 37500, while the sum is 34.

The square root of 55126555 is about 7424.7259208674. The cubic root of 55126555 is about 380.5867090919.

Subtracting 55126555 from its reverse (55562155), we obtain a square (435600 = 660²).

The spelling of 55126555 in words is "fifty-five million, one hundred twenty-six thousand, five hundred fifty-five".