54680739 has 8 divisors (see below), whose sum is σ = 73482240. Its totient is φ = 36166536.

The previous prime is 54680713. The next prime is 54680753. The reversal of 54680739 is 93708645.

It is a happy number.

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

It is not a de Polignac number, because 54680739 - 2⁵ = 54680707 is a prime.

It is a super-2 number, since 2×54680739² = 5979966435172242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54680739.

It is not an unprimeable number, because it can be changed into a prime (54680239) 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, 71379 + ... + 72140.

It is an arithmetic number, because the mean of its divisors is an integer number (9185280).

Almost surely, 2^54680739 is an apocalyptic number.

54680739 is a deficient number, since it is larger than the sum of its proper divisors (18801501).

54680739 is a wasteful number, since it uses less digits than its factorization.

54680739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143649.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 54680739 is about 7394.6425877117. The cubic root of 54680739 is about 379.5579786470.

The spelling of 54680739 in words is "fifty-four million, six hundred eighty thousand, seven hundred thirty-nine".