54536491 has 2 divisors, whose sum is σ = 54536492. Its totient is φ = 54536490.

The previous prime is 54536477. The next prime is 54536507. The reversal of 54536491 is 19463545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54536491 - 2¹¹ = 54534443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54536491.

It is not a weakly prime, because it can be changed into another prime (54536411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27268245 + 27268246.

It is an arithmetic number, because the mean of its divisors is an integer number (27268246).

Almost surely, 2^54536491 is an apocalyptic number.

54536491 is a deficient number, since it is larger than the sum of its proper divisors (1).

54536491 is an equidigital number, since it uses as much as digits as its factorization.

54536491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 54536491 is about 7384.8825989314. The cubic root of 54536491 is about 379.2239262611.

The spelling of 54536491 in words is "fifty-four million, five hundred thirty-six thousand, four hundred ninety-one".