55412544000 has 320 divisors, whose sum is σ = 200988957312. Its totient is φ = 13432832000.

The previous prime is 55412543969. The next prime is 55412544007. The reversal of 55412544000 is 44521455.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (55412544007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2098882 + ... + 2125118.

Almost surely, 2^55412544000 is an apocalyptic number.

55412544000 is a gapful number since it is divisible by the number (50) 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 55412544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100494478656).

55412544000 is an abundant number, since it is smaller than the sum of its proper divisors (145576413312).

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

55412544000 is a wasteful number, since it uses less digits than its factorization.

55412544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26284 (or 26258 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 55412544000 in words is "fifty-five billion, four hundred twelve million, five hundred forty-four thousand".