55705270 has 32 divisors (see below), whose sum is σ = 102643200. Its totient is φ = 21761376.

The previous prime is 55705267. The next prime is 55705303. The reversal of 55705270 is 7250755.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84201 + ... + 84859.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^55705270 is an apocalyptic number.

55705270 is a deficient number, since it is larger than the sum of its proper divisors (46937930).

55705270 is a wasteful number, since it uses less digits than its factorization.

55705270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 55705270 is about 7463.5963181298. The cubic root of 55705270 is about 381.9138672611.

The spelling of 55705270 in words is "fifty-five million, seven hundred five thousand, two hundred seventy".