55529222 has 32 divisors (see below), whose sum is σ = 99823104. Its totient is φ = 22651200.

The previous prime is 55529209. The next prime is 55529263. The reversal of 55529222 is 22292555.

It is a congruent 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, 106322 + ... + 106842.

It is an arithmetic number, because the mean of its divisors is an integer number (3119472).

Almost surely, 2^55529222 is an apocalyptic number.

55529222 is a deficient number, since it is larger than the sum of its proper divisors (44293882).

55529222 is a wasteful number, since it uses less digits than its factorization.

55529222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 18000, while the sum is 32.

The square root of 55529222 is about 7451.7932070073. The cubic root of 55529222 is about 381.5111158640.

The spelling of 55529222 in words is "fifty-five million, five hundred twenty-nine thousand, two hundred twenty-two".