55459648132 has 24 divisors (see below), whose sum is σ = 111023701376. Its totient is φ = 23746048128.

The previous prime is 55459648129. The next prime is 55459648141. The reversal of 55459648132 is 23184695455.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55459648132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901893 + ... + 961420.

Almost surely, 2^55459648132 is an apocalyptic number.

It is an amenable number.

55459648132 is an abundant number, since it is smaller than the sum of its proper divisors (55564053244).

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

55459648132 is a wasteful number, since it uses less digits than its factorization.

55459648132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864387 (or 1864385 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The spelling of 55459648132 in words is "fifty-five billion, four hundred fifty-nine million, six hundred forty-eight thousand, one hundred thirty-two".