55546004997 has 12 divisors (see below), whose sum is σ = 91694992480. Its totient is φ = 31740574248.

The previous prime is 55546004977. The next prime is 55546004999. The reversal of 55546004997 is 79940064555.

55546004997 is a `hidden beast` number, since 5 + 5 + 546 + 0 + 0 + 4 + 9 + 97 = 666.

55546004997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55546004997 - 2⁶ = 55546004933 is a prime.

It is a super-2 number, since 2×55546004997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55546004999) 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, 440841247 + ... + 440841372.

Almost surely, 2^55546004997 is an apocalyptic number.

It is an amenable number.

55546004997 is a deficient number, since it is larger than the sum of its proper divisors (36148987483).

55546004997 is a wasteful number, since it uses less digits than its factorization.

55546004997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881682632 (or 881682629 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 55546004997 in words is "fifty-five billion, five hundred forty-six million, four thousand, nine hundred ninety-seven".