55488493488 has 20 divisors (see below), whose sum is σ = 143345274968. Its totient is φ = 18496164480.

The previous prime is 55488493429. The next prime is 55488493507. The reversal of 55488493488 is 88439488455.

It is a super-2 number, since 2×55488493488² (a number of 22 digits) contains 22 as substring.

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, 578005093 + ... + 578005188.

Almost surely, 2^55488493488 is an apocalyptic number.

It is an amenable number.

55488493488 is an abundant number, since it is smaller than the sum of its proper divisors (87856781480).

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

55488493488 is a wasteful number, since it uses less digits than its factorization.

55488493488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156010292 (or 1156010286 counting only the distinct ones).

The product of its digits is 176947200, while the sum is 66.

The spelling of 55488493488 in words is "fifty-five billion, four hundred eighty-eight million, four hundred ninety-three thousand, four hundred eighty-eight".