54765261 has 16 divisors (see below), whose sum is σ = 81526720. Its totient is φ = 36333360.

The previous prime is 54765247. The next prime is 54765281. The reversal of 54765261 is 16256745.

It is a happy number.

54765261 is a `hidden beast` number, since 547 + 6 + 52 + 61 = 666.

It is not a de Polignac number, because 54765261 - 2¹⁵ = 54732493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54765281) 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, 891 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (5095420).

Almost surely, 2^54765261 is an apocalyptic number.

It is an amenable number.

54765261 is a deficient number, since it is larger than the sum of its proper divisors (26761459).

54765261 is a wasteful number, since it uses less digits than its factorization.

54765261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833 (or 9827 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 54765261 is about 7400.3554644355. The cubic root of 54765261 is about 379.7534434770.

The spelling of 54765261 in words is "fifty-four million, seven hundred sixty-five thousand, two hundred sixty-one".