54739831 has 8 divisors (see below), whose sum is σ = 57573504. Its totient is φ = 51972960.

The previous prime is 54739829. The next prime is 54739873. The reversal of 54739831 is 13893745.

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 54739831 - 2¹ = 54739829 is a prime.

It is a super-2 number, since 2×54739831² = 5992898195817122, 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 (54739891) 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, 15016 + ... + 18301.

It is an arithmetic number, because the mean of its divisors is an integer number (7196688).

Almost surely, 2^54739831 is an apocalyptic number.

54739831 is a deficient number, since it is larger than the sum of its proper divisors (2833673).

54739831 is a wasteful number, since it uses less digits than its factorization.

54739831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33401.

The product of its digits is 90720, while the sum is 40.

The square root of 54739831 is about 7398.6371042240. The cubic root of 54739831 is about 379.6946554484.

The spelling of 54739831 in words is "fifty-four million, seven hundred thirty-nine thousand, eight hundred thirty-one".