55737966480 has 400 divisors, whose sum is σ = 203009488704. Its totient is φ = 12649620480.

The previous prime is 55737966443. The next prime is 55737966491. The reversal of 55737966480 is 8466973755.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 113519035 + ... + 113519525.

Almost surely, 2^55737966480 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 55737966480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101504744352).

55737966480 is an abundant number, since it is smaller than the sum of its proper divisors (147271522224).

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

55737966480 is a wasteful number, since it uses less digits than its factorization.

55737966480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 55737966480 in words is "fifty-five billion, seven hundred thirty-seven million, nine hundred sixty-six thousand, four hundred eighty".