55143074880 has 336 divisors, whose sum is σ = 193086167040. Its totient is φ = 14442430464.

The previous prime is 55143074873. The next prime is 55143074941. The reversal of 55143074880 is 8847034155.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39135616 + ... + 39137024.

Almost surely, 2^55143074880 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 55143074880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96543083520).

55143074880 is an abundant number, since it is smaller than the sum of its proper divisors (137943092160).

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

55143074880 is a wasteful number, since it uses less digits than its factorization.

55143074880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 55143074880 in words is "fifty-five billion, one hundred forty-three million, seventy-four thousand, eight hundred eighty".