55222360 has 32 divisors (see below), whose sum is σ = 130791600. Its totient is φ = 20926080.

The previous prime is 55222357. The next prime is 55222381. The reversal of 55222360 is 6322255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35571 + ... + 37090.

Almost surely, 2^55222360 is an apocalyptic number.

It is an amenable number.

55222360 is an abundant number, since it is smaller than the sum of its proper divisors (75569240).

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

55222360 is a wasteful number, since it uses less digits than its factorization.

55222360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72691 (or 72687 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55222360 is about 7431.1748734638. The cubic root of 55222360 is about 380.8070566625.

The spelling of 55222360 in words is "fifty-five million, two hundred twenty-two thousand, three hundred sixty".