55452672 has 132 divisors (see below), whose sum is σ = 174993936. Its totient is φ = 16773120.

The previous prime is 55452667. The next prime is 55452673. The reversal of 55452672 is 27625455.

It is a tau number, because it is divible by the number of its divisors (132).

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

It is not an unprimeable number, because it can be changed into a prime (55452673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101103 + ... + 101649.

Almost surely, 2^55452672 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 55452672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87496968).

55452672 is an abundant number, since it is smaller than the sum of its proper divisors (119541264).

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

55452672 is a wasteful number, since it uses less digits than its factorization.

55452672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 563 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 55452672 is about 7446.6550880244. The cubic root of 55452672 is about 381.3357240900.

The spelling of 55452672 in words is "fifty-five million, four hundred fifty-two thousand, six hundred seventy-two".