54016001515 has 32 divisors (see below), whose sum is σ = 78096936960. Its totient is φ = 35063829504.

The previous prime is 54016001513. The next prime is 54016001549. The reversal of 54016001515 is 51510061045.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54016001515 - 2¹ = 54016001513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54016001513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267795 + ... + 423964.

It is an arithmetic number, because the mean of its divisors is an integer number (2440529280).

Almost surely, 2^54016001515 is an apocalyptic number.

54016001515 is a deficient number, since it is larger than the sum of its proper divisors (24080935445).

54016001515 is a wasteful number, since it uses less digits than its factorization.

54016001515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691891.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 54016001515 in words is "fifty-four billion, sixteen million, one thousand, five hundred fifteen".