53954591 has 2 divisors, whose sum is σ = 53954592. Its totient is φ = 53954590.

The previous prime is 53954581. The next prime is 53954603. The reversal of 53954591 is 19545935.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53954591 - 2¹⁰ = 53953567 is a prime.

It is a super-2 number, since 2×53954591² = 5822195779954562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53954531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26977295 + 26977296.

It is an arithmetic number, because the mean of its divisors is an integer number (26977296).

Almost surely, 2^53954591 is an apocalyptic number.

53954591 is a deficient number, since it is larger than the sum of its proper divisors (1).

53954591 is an equidigital number, since it uses as much as digits as its factorization.

53954591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 41.

The square root of 53954591 is about 7345.3788874366. The cubic root of 53954591 is about 377.8703375628.

It can be divided in two parts, 53954 and 591, that added together give a palindrome (54545).

The spelling of 53954591 in words is "fifty-three million, nine hundred fifty-four thousand, five hundred ninety-one".