55232892 has 72 divisors (see below), whose sum is σ = 164040240. Its totient is φ = 15448320.

The previous prime is 55232887. The next prime is 55232923. The reversal of 55232892 is 29823255.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217 + ... + 10512.

Almost surely, 2^55232892 is an apocalyptic number.

55232892 is a gapful number since it is divisible by the number (52) 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 55232892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82020120).

55232892 is an abundant number, since it is smaller than the sum of its proper divisors (108807348).

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

55232892 is a wasteful number, since it uses less digits than its factorization.

55232892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763 (or 10758 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 55232892 is about 7431.8834759434. The cubic root of 55232892 is about 380.8312642781.

The spelling of 55232892 in words is "fifty-five million, two hundred thirty-two thousand, eight hundred ninety-two".