54037218815 has 4 divisors (see below), whose sum is σ = 64844662584. Its totient is φ = 43229775048.

The previous prime is 54037218811. The next prime is 54037218839. The reversal of 54037218815 is 51881273045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54037218815 - 2² = 54037218811 is a prime.

It is a super-3 number, since 3×54037218815³ (a number of 33 digits) contains 333 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 (54037218811) 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, 5403721877 + ... + 5403721886.

It is an arithmetic number, because the mean of its divisors is an integer number (16211165646).

Almost surely, 2^54037218815 is an apocalyptic number.

54037218815 is a deficient number, since it is larger than the sum of its proper divisors (10807443769).

54037218815 is a wasteful number, since it uses less digits than its factorization.

54037218815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807443768.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 54037218815 in words is "fifty-four billion, thirty-seven million, two hundred eighteen thousand, eight hundred fifteen".