54775131 has 4 divisors (see below), whose sum is σ = 73033512. Its totient is φ = 36516752.

The previous prime is 54775093. The next prime is 54775141. The reversal of 54775131 is 13157745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54775131 - 2⁶ = 54775067 is a prime.

It is a super-2 number, since 2×54775131² = 6000629952134322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54775092 and 54775101.

It is not an unprimeable number, because it can be changed into a prime (54775141) 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, 9129186 + ... + 9129191.

It is an arithmetic number, because the mean of its divisors is an integer number (18258378).

Almost surely, 2^54775131 is an apocalyptic number.

54775131 is a deficient number, since it is larger than the sum of its proper divisors (18258381).

54775131 is a wasteful number, since it uses less digits than its factorization.

54775131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258380.

The product of its digits is 14700, while the sum is 33.

The square root of 54775131 is about 7401.0222942510. The cubic root of 54775131 is about 379.7762556349.

The spelling of 54775131 in words is "fifty-four million, seven hundred seventy-five thousand, one hundred thirty-one".