54522709 has 2 divisors, whose sum is σ = 54522710. Its totient is φ = 54522708.

The previous prime is 54522703. The next prime is 54522737. The reversal of 54522709 is 90722545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 11881809 = 6530^2 + 3447^2 .

It is a cyclic number.

It is not a de Polignac number, because 54522709 - 2³ = 54522701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54522701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27261354 + 27261355.

It is an arithmetic number, because the mean of its divisors is an integer number (27261355).

Almost surely, 2^54522709 is an apocalyptic number.

It is an amenable number.

54522709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54522709 is an equidigital number, since it uses as much as digits as its factorization.

54522709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 54522709 is about 7383.9494174866. The cubic root of 54522709 is about 379.1919788171.

The spelling of 54522709 in words is "fifty-four million, five hundred twenty-two thousand, seven hundred nine".