54736539 has 16 divisors (see below), whose sum is σ = 85741824. Its totient is φ = 30621600.

The previous prime is 54736531. The next prime is 54736547. The reversal of 54736539 is 93563745.

It is an interprime number because it is at equal distance from previous prime (54736531) and next prime (54736547).

It is not a de Polignac number, because 54736539 - 2³ = 54736531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54736539.

It is not an unprimeable number, because it can be changed into a prime (54736531) 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, 63367 + ... + 64224.

It is an arithmetic number, because the mean of its divisors is an integer number (5358864).

Almost surely, 2^54736539 is an apocalyptic number.

54736539 is a deficient number, since it is larger than the sum of its proper divisors (31005285).

54736539 is a wasteful number, since it uses less digits than its factorization.

54736539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127618.

The product of its digits is 340200, while the sum is 42.

The square root of 54736539 is about 7398.4146274726. The cubic root of 54736539 is about 379.6870438071.

The spelling of 54736539 in words is "fifty-four million, seven hundred thirty-six thousand, five hundred thirty-nine".