55226570 has 32 divisors (see below), whose sum is σ = 116684928. Its totient is φ = 18422208.

The previous prime is 55226543. The next prime is 55226573. The reversal of 55226570 is 7562255.

It is not an unprimeable number, because it can be changed into a prime (55226573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8072 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (3646404).

Almost surely, 2^55226570 is an apocalyptic number.

55226570 is an abundant number, since it is smaller than the sum of its proper divisors (61458358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55226570 is a wasteful number, since it uses less digits than its factorization.

55226570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21374.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 55226570 is about 7431.4581341753. The cubic root of 55226570 is about 380.8167336422.

The spelling of 55226570 in words is "fifty-five million, two hundred twenty-six thousand, five hundred seventy".