55347732 has 48 divisors (see below), whose sum is σ = 156542400. Its totient is φ = 16771680.

The previous prime is 55347731. The next prime is 55347749. The reversal of 55347732 is 23774355.

55347732 is a `hidden beast` number, since 553 + 4 + 77 + 32 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55347731) 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, 22107 + ... + 24482.

It is an arithmetic number, because the mean of its divisors is an integer number (3261300).

Almost surely, 2^55347732 is an apocalyptic number.

It is an amenable number.

55347732 is an abundant number, since it is smaller than the sum of its proper divisors (101194668).

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

55347732 is a wasteful number, since it uses less digits than its factorization.

55347732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46613 (or 46605 counting only the distinct ones).

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

The square root of 55347732 is about 7439.6056347094. The cubic root of 55347732 is about 381.0950224892.

The spelling of 55347732 in words is "fifty-five million, three hundred forty-seven thousand, seven hundred thirty-two".