55374732 has 96 divisors (see below), whose sum is σ = 166118400. Its totient is φ = 15624576.

The previous prime is 55374727. The next prime is 55374743. The reversal of 55374732 is 23747355.

55374732 is a `hidden beast` number, since 553 + 74 + 7 + 32 = 666.

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 31 ways as a sum of consecutive naturals, for example, 66873 + ... + 67695.

It is an arithmetic number, because the mean of its divisors is an integer number (1730400).

Almost surely, 2^55374732 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 55374732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83059200).

55374732 is an abundant number, since it is smaller than the sum of its proper divisors (110743668).

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

55374732 is a wasteful number, since it uses less digits than its factorization.

55374732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 924 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 55374732 is about 7441.4200257747. The cubic root of 55374732 is about 381.1569816248.

The spelling of 55374732 in words is "fifty-five million, three hundred seventy-four thousand, seven hundred thirty-two".