54259261 has 16 divisors (see below), whose sum is σ = 64650240. Its totient is φ = 44553600.

The previous prime is 54259253. The next prime is 54259273. The reversal of 54259261 is 16295245.

It is a happy number.

It is not a de Polignac number, because 54259261 - 2³ = 54259253 is a prime.

It is a super-2 number, since 2×54259261² = 5888134808532242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54259211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26836 + ... + 28786.

It is an arithmetic number, because the mean of its divisors is an integer number (4040640).

Almost surely, 2^54259261 is an apocalyptic number.

It is an amenable number.

54259261 is a deficient number, since it is larger than the sum of its proper divisors (10390979).

54259261 is a wasteful number, since it uses less digits than its factorization.

54259261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its digits is 21600, while the sum is 34.

The square root of 54259261 is about 7366.0885821445. The cubic root of 54259261 is about 378.5802538959.

The spelling of 54259261 in words is "fifty-four million, two hundred fifty-nine thousand, two hundred sixty-one".