54731261 has 8 divisors (see below), whose sum is σ = 59007480. Its totient is φ = 50464512.

The previous prime is 54731221. The next prime is 54731297. The reversal of 54731261 is 16213745.

It can be written as a sum of positive squares in 4 ways, for example, as 60025 + 54671236 = 245^2 + 7394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54731261 - 2⁶ = 54731197 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 (54731221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13745 + ... + 17273.

It is an arithmetic number, because the mean of its divisors is an integer number (7375935).

Almost surely, 2^54731261 is an apocalyptic number.

It is an amenable number.

54731261 is a deficient number, since it is larger than the sum of its proper divisors (4276219).

54731261 is a wasteful number, since it uses less digits than its factorization.

54731261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735.

The product of its digits is 5040, while the sum is 29.

The square root of 54731261 is about 7398.0579208330. The cubic root of 54731261 is about 379.6748395729.

The spelling of 54731261 in words is "fifty-four million, seven hundred thirty-one thousand, two hundred sixty-one".