54251253415 has 16 divisors (see below), whose sum is σ = 67238486208. Its totient is φ = 41998784256.

The previous prime is 54251253391. The next prime is 54251253437. The reversal of 54251253415 is 51435215245.

It is a cyclic number.

It is not a de Polignac number, because 54251253415 - 2¹¹ = 54251251367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1382859 + ... + 1421548.

It is an arithmetic number, because the mean of its divisors is an integer number (4202405388).

Almost surely, 2^54251253415 is an apocalyptic number.

54251253415 is a deficient number, since it is larger than the sum of its proper divisors (12987232793).

54251253415 is a wasteful number, since it uses less digits than its factorization.

54251253415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804538.

The product of its digits is 120000, while the sum is 37.

The spelling of 54251253415 in words is "fifty-four billion, two hundred fifty-one million, two hundred fifty-three thousand, four hundred fifteen".