54518782237 has 8 divisors (see below), whose sum is σ = 55995283800. Its totient is φ = 53042439744.

The previous prime is 54518782231. The next prime is 54518782271. The reversal of 54518782237 is 73228781545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38126077081 + 16392705156 = 195259^2 + 128034^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54518782237 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 (54518782231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063839 + ... + 1113907.

It is an arithmetic number, because the mean of its divisors is an integer number (6999410475).

Almost surely, 2^54518782237 is an apocalyptic number.

It is an amenable number.

54518782237 is a deficient number, since it is larger than the sum of its proper divisors (1476501563).

54518782237 is a wasteful number, since it uses less digits than its factorization.

54518782237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79535.

The product of its digits is 3763200, while the sum is 52.

The spelling of 54518782237 in words is "fifty-four billion, five hundred eighteen million, seven hundred eighty-two thousand, two hundred thirty-seven".