54340591 has 2 divisors, whose sum is σ = 54340592. Its totient is φ = 54340590.

The previous prime is 54340579. The next prime is 54340603. The reversal of 54340591 is 19504345.

It is a balanced prime because it is at equal distance from previous prime (54340579) and next prime (54340603).

It is a cyclic number.

It is not a de Polignac number, because 54340591 - 2²¹ = 52243439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54340571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27170295 + 27170296.

It is an arithmetic number, because the mean of its divisors is an integer number (27170296).

Almost surely, 2^54340591 is an apocalyptic number.

54340591 is a deficient number, since it is larger than the sum of its proper divisors (1).

54340591 is an equidigital number, since it uses as much as digits as its factorization.

54340591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 54340591 is about 7371.6070839404. The cubic root of 54340591 is about 378.7693126265.

The spelling of 54340591 in words is "fifty-four million, three hundred forty thousand, five hundred ninety-one".