54725257515 has 32 divisors (see below), whose sum is σ = 92851569216. Its totient is φ = 27428290560.

The previous prime is 54725257463. The next prime is 54725257519. The reversal of 54725257515 is 51575252745.

It is not a de Polignac number, because 54725257515 - 2⁶ = 54725257451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54725257519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6219 + ... + 330891.

It is an arithmetic number, because the mean of its divisors is an integer number (2901611538).

Almost surely, 2^54725257515 is an apocalyptic number.

54725257515 is a deficient number, since it is larger than the sum of its proper divisors (38126311701).

54725257515 is a wasteful number, since it uses less digits than its factorization.

54725257515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325359.

The product of its digits is 2450000, while the sum is 48.

The spelling of 54725257515 in words is "fifty-four billion, seven hundred twenty-five million, two hundred fifty-seven thousand, five hundred fifteen".