54251042515436 has 24 divisors (see below), whose sum is σ = 106687668895584. Its totient is φ = 23950293016320.

The previous prime is 54251042515393. The next prime is 54251042515441. The reversal of 54251042515436 is 63451524015245.

It is a happy number.

It is a super-2 number, since 2×54251042515436² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22680200525 + ... + 22680202916.

It is an arithmetic number, because the mean of its divisors is an integer number (4445319537316).

Almost surely, 2^{54251042515436} is an apocalyptic number.

It is an amenable number.

54251042515436 is a deficient number, since it is larger than the sum of its proper divisors (52436626380148).

54251042515436 is a wasteful number, since it uses less digits than its factorization.

54251042515436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45360403481 (or 45360403479 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 54251042515436 in words is "fifty-four trillion, two hundred fifty-one billion, forty-two million, five hundred fifteen thousand, four hundred thirty-six".