55510499997 has 24 divisors (see below), whose sum is σ = 84425650400. Its totient is φ = 35049410208.

The previous prime is 55510499981. The next prime is 55510499999. The reversal of 55510499997 is 79999401555.

55510499997 is a `hidden beast` number, since 5 + 5 + 51 + 0 + 499 + 9 + 97 = 666.

It is not a de Polignac number, because 55510499997 - 2⁴ = 55510499981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510499999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590478 + ... + 678000.

Almost surely, 2^55510499997 is an apocalyptic number.

55510499997 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

55510499997 is a deficient number, since it is larger than the sum of its proper divisors (28915150403).

55510499997 is a wasteful number, since it uses less digits than its factorization.

55510499997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91257 (or 91254 counting only the distinct ones).

The product of its (nonzero) digits is 22963500, while the sum is 63.

The spelling of 55510499997 in words is "fifty-five billion, five hundred ten million, four hundred ninety-nine thousand, nine hundred ninety-seven".