53436164454 has 80 divisors (see below), whose sum is σ = 127300406112. Its totient is φ = 16716091392.

The previous prime is 53436164429. The next prime is 53436164491. The reversal of 53436164454 is 45446163435.

53436164454 is a `hidden beast` number, since 5 + 3 + 4 + 36 + 164 + 454 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62182 + ... + 332774.

Almost surely, 2^53436164454 is an apocalyptic number.

53436164454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53436164454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63650203056).

53436164454 is an abundant number, since it is smaller than the sum of its proper divisors (73864241658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53436164454 is a wasteful number, since it uses less digits than its factorization.

53436164454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270683 (or 270674 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 53436164454 in words is "fifty-three billion, four hundred thirty-six million, one hundred sixty-four thousand, four hundred fifty-four".