53044154123015 has 32 divisors (see below), whose sum is σ = 71174318789376. Its totient is φ = 37616870914560.

The previous prime is 53044154123011. The next prime is 53044154123099. The reversal of 53044154123015 is 51032145144035.

It is not a de Polignac number, because 53044154123015 - 2² = 53044154123011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53044154123015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53044154123011) 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, 17508869 + ... + 20313758.

It is an arithmetic number, because the mean of its divisors is an integer number (2224197462168).

Almost surely, 2^{53044154123015} is an apocalyptic number.

53044154123015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53044154123015 is a deficient number, since it is larger than the sum of its proper divisors (18130164666361).

53044154123015 is a wasteful number, since it uses less digits than its factorization.

53044154123015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37823279.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 53044154123015 in words is "fifty-three trillion, forty-four billion, one hundred fifty-four million, one hundred twenty-three thousand, fifteen".