54786131 has 2 divisors, whose sum is σ = 54786132. Its totient is φ = 54786130.

The previous prime is 54786107. The next prime is 54786143. The reversal of 54786131 is 13168745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54786131 - 2¹⁴ = 54769747 is a prime.

It is a super-2 number, since 2×54786131² = 6003040299898322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54786091 and 54786100.

It is not a weakly prime, because it can be changed into another prime (54786181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27393065 + 27393066.

It is an arithmetic number, because the mean of its divisors is an integer number (27393066).

Almost surely, 2^54786131 is an apocalyptic number.

54786131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54786131 is an equidigital number, since it uses as much as digits as its factorization.

54786131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 54786131 is about 7401.7653975251. The cubic root of 54786131 is about 379.8016762904.

The spelling of 54786131 in words is "fifty-four million, seven hundred eighty-six thousand, one hundred thirty-one".