55050555 has 64 divisors (see below), whose sum is σ = 105753600. Its totient is φ = 23923200.

The previous prime is 55050547. The next prime is 55050557. The reversal of 55050555 is 55505055.

It is not a de Polignac number, because 55050555 - 2³ = 55050547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55050557) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307456 + ... + 307634.

It is an arithmetic number, because the mean of its divisors is an integer number (1652400).

Almost surely, 2^55050555 is an apocalyptic number.

55050555 is a deficient number, since it is larger than the sum of its proper divisors (50703045).

55050555 is a wasteful number, since it uses less digits than its factorization.

55050555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 15625, while the sum is 30.

The square root of 55050555 is about 7419.6061216213. The cubic root of 55050555 is about 380.4117305519.

The spelling of 55050555 in words is "fifty-five million, fifty thousand, five hundred fifty-five".