55497710480 has 20 divisors (see below), whose sum is σ = 129032177052. Its totient is φ = 22199084160.

The previous prime is 55497710473. The next prime is 55497710491. The reversal of 55497710480 is 8401779455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16257270016 + 39240440464 = 127504^2 + 198092^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346860611 + ... + 346860770.

Almost surely, 2^55497710480 is an apocalyptic number.

It is an amenable number.

55497710480 is an abundant number, since it is smaller than the sum of its proper divisors (73534466572).

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

55497710480 is a wasteful number, since it uses less digits than its factorization.

55497710480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693721394 (or 693721388 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 55497710480 in words is "fifty-five billion, four hundred ninety-seven million, seven hundred ten thousand, four hundred eighty".