55041155 has 16 divisors (see below), whose sum is σ = 75315744. Its totient is φ = 38254080.

The previous prime is 55041149. The next prime is 55041169. The reversal of 55041155 is 55114055.

It is not a de Polignac number, because 55041155 - 2⁸ = 55040899 is a prime.

It is a Duffinian number.

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, 23801 + ... + 26010.

It is an arithmetic number, because the mean of its divisors is an integer number (4707234).

Almost surely, 2^55041155 is an apocalyptic number.

55041155 is a deficient number, since it is larger than the sum of its proper divisors (20274589).

55041155 is a wasteful number, since it uses less digits than its factorization.

55041155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49846.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 55041155 is about 7418.9726377714. The cubic root of 55041155 is about 380.3900772805.

Subtracting 55041155 from its reverse (55114055), we obtain a square (72900 = 270²).

The spelling of 55041155 in words is "fifty-five million, forty-one thousand, one hundred fifty-five".