55131153 has 64 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 26496000.

The previous prime is 55131149. The next prime is 55131163. The reversal of 55131153 is 35113155.

It is not a de Polignac number, because 55131153 - 2² = 55131149 is a prime.

It is a super-2 number, since 2×55131153² = 6078888062218818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55131163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 396558 + ... + 396696.

It is an arithmetic number, because the mean of its divisors is an integer number (1542240).

Almost surely, 2^55131153 is an apocalyptic number.

It is an amenable number.

55131153 is a deficient number, since it is larger than the sum of its proper divisors (43572207).

55131153 is a wasteful number, since it uses less digits than its factorization.

55131153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its digits is 1125, while the sum is 24.

The square root of 55131153 is about 7425.0355554704. The cubic root of 55131153 is about 380.5972901331.

It can be divided in two parts, 5513 and 1153, that added together give a palindrome (6666).

The spelling of 55131153 in words is "fifty-five million, one hundred thirty-one thousand, one hundred fifty-three".