55108257461040 has 80 divisors (see below), whose sum is σ = 195240683582208. Its totient is φ = 12596173133568.

The previous prime is 55108257461029. The next prime is 55108257461083. The reversal of 55108257461040 is 4016475280155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 16401265422 + ... + 16401268781.

Almost surely, 2^{55108257461040} is an apocalyptic number.

It is an amenable number.

55108257461040 is an abundant number, since it is smaller than the sum of its proper divisors (140132426121168).

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

55108257461040 is a wasteful number, since it uses less digits than its factorization.

55108257461040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32802534226 (or 32802534220 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 55108257461040 in words is "fifty-five trillion, one hundred eight billion, two hundred fifty-seven million, four hundred sixty-one thousand, forty".