55224253 has 16 divisors (see below), whose sum is σ = 64963584. Its totient is φ = 45959040.

The previous prime is 55224227. The next prime is 55224259. The reversal of 55224253 is 35242255.

It is a cyclic number.

It is not a de Polignac number, because 55224253 - 2²⁵ = 21669821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224259) 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, 90676 + ... + 91282.

It is an arithmetic number, because the mean of its divisors is an integer number (4060224).

Almost surely, 2^55224253 is an apocalyptic number.

It is an amenable number.

55224253 is a deficient number, since it is larger than the sum of its proper divisors (9739331).

55224253 is a wasteful number, since it uses less digits than its factorization.

55224253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its digits is 12000, while the sum is 28.

The square root of 55224253 is about 7431.3022411957. The cubic root of 55224253 is about 380.8114079164.

The spelling of 55224253 in words is "fifty-five million, two hundred twenty-four thousand, two hundred fifty-three".