55998153 has 12 divisors (see below), whose sum is σ = 85644468. Its totient is φ = 35136000.

The previous prime is 55998109. The next prime is 55998193. The reversal of 55998153 is 35189955.

55998153 is a `hidden beast` number, since 5 + 599 + 8 + 1 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 15586704 = 6357^2 + 3948^2 .

It is not a de Polignac number, because 55998153 - 2²² = 51803849 is a prime.

It is a super-3 number, since 3×55998153³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55998099 and 55998108.

It is not an unprimeable number, because it can be changed into a prime (55998193) 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, 182848 + ... + 183153.

It is an arithmetic number, because the mean of its divisors is an integer number (7137039).

Almost surely, 2^55998153 is an apocalyptic number.

It is an amenable number.

55998153 is a deficient number, since it is larger than the sum of its proper divisors (29646315).

55998153 is a wasteful number, since it uses less digits than its factorization.

55998153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366024 (or 366021 counting only the distinct ones).

The product of its digits is 243000, while the sum is 45.

The square root of 55998153 is about 7483.1913646518. The cubic root of 55998153 is about 382.5820303369.

The spelling of 55998153 in words is "fifty-five million, nine hundred ninety-eight thousand, one hundred fifty-three".