55770105 has 16 divisors (see below), whose sum is σ = 89415360. Its totient is φ = 29683008.

The previous prime is 55770089. The next prime is 55770173. The reversal of 55770105 is 50107755.

It is not a de Polignac number, because 55770105 - 2⁴ = 55770089 is a prime.

It is a super-2 number, since 2×55770105² = 6220609223422050, which contains 22 as substring.

It is a Curzon 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, 4291 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (5588460).

Almost surely, 2^55770105 is an apocalyptic number.

It is an amenable number.

55770105 is a deficient number, since it is larger than the sum of its proper divisors (33645255).

55770105 is a wasteful number, since it uses less digits than its factorization.

55770105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55770105 is about 7467.9384705553. The cubic root of 55770105 is about 382.0619788327.

The spelling of 55770105 in words is "fifty-five million, seven hundred seventy thousand, one hundred five".