54561612655 has 8 divisors (see below), whose sum is σ = 71426111184. Its totient is φ = 39681172800.

The previous prime is 54561612647. The next prime is 54561612671. The reversal of 54561612655 is 55621616545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54561612655 - 2³ = 54561612647 is a prime.

It is a super-2 number, since 2×54561612655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496014606 + ... + 496014715.

It is an arithmetic number, because the mean of its divisors is an integer number (8928263898).

Almost surely, 2^54561612655 is an apocalyptic number.

54561612655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54561612655 is a deficient number, since it is larger than the sum of its proper divisors (16864498529).

54561612655 is a wasteful number, since it uses less digits than its factorization.

54561612655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992029337.

The product of its digits is 1080000, while the sum is 46.

The spelling of 54561612655 in words is "fifty-four billion, five hundred sixty-one million, six hundred twelve thousand, six hundred fifty-five".