55204051 has 4 divisors (see below), whose sum is σ = 63090352. Its totient is φ = 47317752.

The previous prime is 55204043. The next prime is 55204057. The reversal of 55204051 is 15040255.

55204051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55204051 - 2³ = 55204043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55204057) 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 3 ways as a sum of consecutive naturals, for example, 3943140 + ... + 3943153.

It is an arithmetic number, because the mean of its divisors is an integer number (15772588).

Almost surely, 2^55204051 is an apocalyptic number.

55204051 is a deficient number, since it is larger than the sum of its proper divisors (7886301).

55204051 is an equidigital number, since it uses as much as digits as its factorization.

55204051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886300.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 55204051 is about 7429.9428665367. The cubic root of 55204051 is about 380.7649664230.

The spelling of 55204051 in words is "fifty-five million, two hundred four thousand, fifty-one".