55650993424 has 80 divisors (see below), whose sum is σ = 116916405760. Its totient is φ = 25509012480.

The previous prime is 55650993403. The next prime is 55650993479. The reversal of 55650993424 is 42439905655.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 26638972 + ... + 26641060.

It is an arithmetic number, because the mean of its divisors is an integer number (1461455072).

Almost surely, 2^55650993424 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 55650993424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58458202880).

55650993424 is an abundant number, since it is smaller than the sum of its proper divisors (61265412336).

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

55650993424 is a wasteful number, since it uses less digits than its factorization.

55650993424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2922 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 55650993424 in words is "fifty-five billion, six hundred fifty million, nine hundred ninety-three thousand, four hundred twenty-four".