55408789480 has 48 divisors (see below), whose sum is σ = 137033733060. Its totient is φ = 20148648960.

The previous prime is 55408789459. The next prime is 55408789489. The reversal of 55408789480 is 8498780455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48081087076 + 7327702404 = 219274^2 + 85602^2 .

It is not an unprimeable number, because it can be changed into a prime (55408789489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5719209 + ... + 5728888.

Almost surely, 2^55408789480 is an apocalyptic number.

It is an amenable number.

55408789480 is an abundant number, since it is smaller than the sum of its proper divisors (81624943580).

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

55408789480 is a wasteful number, since it uses less digits than its factorization.

55408789480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448130 (or 11448115 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 55408789480 in words is "fifty-five billion, four hundred eight million, seven hundred eighty-nine thousand, four hundred eighty".