53891494415 has 16 divisors (see below), whose sum is σ = 70655967360. Its totient is φ = 39134313120.

The previous prime is 53891494369. The next prime is 53891494441. The reversal of 53891494415 is 51449419835.

53891494415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53891494415 - 2¹⁸ = 53891232271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707189 + ... + 779678.

It is an arithmetic number, because the mean of its divisors is an integer number (4415997960).

Almost surely, 2^53891494415 is an apocalyptic number.

53891494415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53891494415 is a deficient number, since it is larger than the sum of its proper divisors (16764472945).

53891494415 is a wasteful number, since it uses less digits than its factorization.

53891494415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487542.

The product of its digits is 3110400, while the sum is 53.

The spelling of 53891494415 in words is "fifty-three billion, eight hundred ninety-one million, four hundred ninety-four thousand, four hundred fifteen".