55153612799 has 4 divisors (see below), whose sum is σ = 55320240360. Its totient is φ = 54986985240.

The previous prime is 55153612783. The next prime is 55153612819. The reversal of 55153612799 is 99721635155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99721635155 = 5 ⋅19944327031.

It is a cyclic number.

It is not a de Polignac number, because 55153612799 - 2⁴ = 55153612783 is a prime.

It is a super-2 number, since 2×55153612799² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55153612799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55153612999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83313284 + ... + 83313945.

It is an arithmetic number, because the mean of its divisors is an integer number (13830060090).

Almost surely, 2^55153612799 is an apocalyptic number.

55153612799 is a deficient number, since it is larger than the sum of its proper divisors (166627561).

55153612799 is a wasteful number, since it uses less digits than its factorization.

55153612799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166627560.

The product of its digits is 2551500, while the sum is 53.

The spelling of 55153612799 in words is "fifty-five billion, one hundred fifty-three million, six hundred twelve thousand, seven hundred ninety-nine".