55452454432 has 96 divisors (see below), whose sum is σ = 113037410304. Its totient is φ = 26763168000.

The previous prime is 55452454349. The next prime is 55452454457. The reversal of 55452454432 is 23445425455.

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, 48177057 + ... + 48178207.

It is an arithmetic number, because the mean of its divisors is an integer number (1177473024).

Almost surely, 2^55452454432 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 55452454432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56518705152).

55452454432 is an abundant number, since it is smaller than the sum of its proper divisors (57584955872).

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

55452454432 is a wasteful number, since it uses less digits than its factorization.

55452454432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1614 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 43.

Adding to 55452454432 its reverse (23445425455), we get a palindrome (78897879887).

The spelling of 55452454432 in words is "fifty-five billion, four hundred fifty-two million, four hundred fifty-four thousand, four hundred thirty-two".