55559270 has 16 divisors (see below), whose sum is σ = 107699760. Its totient is φ = 20514144.

The previous prime is 55559233. The next prime is 55559279. The reversal of 55559270 is 7295555.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55559279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213560 + ... + 213819.

It is an arithmetic number, because the mean of its divisors is an integer number (6731235).

Almost surely, 2^55559270 is an apocalyptic number.

55559270 is a deficient number, since it is larger than the sum of its proper divisors (52140490).

55559270 is a wasteful number, since it uses less digits than its factorization.

55559270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427399.

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 55559270 is about 7453.8090933428. The cubic root of 55559270 is about 381.5799179498.

The spelling of 55559270 in words is "fifty-five million, five hundred fifty-nine thousand, two hundred seventy".