55369224 has 64 divisors (see below), whose sum is σ = 158784000. Its totient is φ = 17858880.

The previous prime is 55369219. The next prime is 55369231. The reversal of 55369224 is 42296355.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2562 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (2481000).

Almost surely, 2^55369224 is an apocalyptic number.

55369224 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55369224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79392000).

55369224 is an abundant number, since it is smaller than the sum of its proper divisors (103414776).

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

55369224 is a wasteful number, since it uses less digits than its factorization.

55369224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315 (or 8305 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55369224 is about 7441.0499259177. The cubic root of 55369224 is about 381.1443435967.

The spelling of 55369224 in words is "fifty-five million, three hundred sixty-nine thousand, two hundred twenty-four".