45551233215552 has 28 divisors (see below), whose sum is σ = 120520971216656. Its totient is φ = 15183744405120.

The previous prime is 45551233215463. The next prime is 45551233215619. The reversal of 45551233215552 is 25551233215554.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118623002974 + ... + 118623003357.

Almost surely, 2^{45551233215552} is an apocalyptic number.

It is an amenable number.

45551233215552 is an abundant number, since it is smaller than the sum of its proper divisors (74969738001104).

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

45551233215552 is a wasteful number, since it uses less digits than its factorization.

45551233215552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237246006346 (or 237246006336 counting only the distinct ones).

The product of its digits is 4500000, while the sum is 48.

The spelling of 45551233215552 in words is "forty-five trillion, five hundred fifty-one billion, two hundred thirty-three million, two hundred fifteen thousand, five hundred fifty-two".