55163292 has 48 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 17499328.

The previous prime is 55163267. The next prime is 55163321. The reversal of 55163292 is 29236155.

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, 73873 + ... + 74615.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^55163292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55163292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67495680).

55163292 is an abundant number, since it is smaller than the sum of its proper divisors (79828068).

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

55163292 is a wasteful number, since it uses less digits than its factorization.

55163292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1040 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 55163292 is about 7427.1994722102. The cubic root of 55163292 is about 380.6712328406.

It can be divided in two parts, 55163 and 292, that added together give a palindrome (55455).

The spelling of 55163292 in words is "fifty-five million, one hundred sixty-three thousand, two hundred ninety-two".