54726739 has 4 divisors (see below), whose sum is σ = 55543624. Its totient is φ = 53909856.

The previous prime is 54726731. The next prime is 54726751. The reversal of 54726739 is 93762745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93762745 = 5 ⋅18752549.

It is a cyclic number.

It is not a de Polignac number, because 54726739 - 2³ = 54726731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54726695 and 54726704.

It is not an unprimeable number, because it can be changed into a prime (54726731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408342 + ... + 408475.

It is an arithmetic number, because the mean of its divisors is an integer number (13885906).

Almost surely, 2^54726739 is an apocalyptic number.

54726739 is a deficient number, since it is larger than the sum of its proper divisors (816885).

54726739 is an equidigital number, since it uses as much as digits as its factorization.

54726739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816884.

The product of its digits is 317520, while the sum is 43.

The square root of 54726739 is about 7397.7522937714. The cubic root of 54726739 is about 379.6643828011.

The spelling of 54726739 in words is "fifty-four million, seven hundred twenty-six thousand, seven hundred thirty-nine".