53436474 has 192 divisors, whose sum is σ = 160392960. Its totient is φ = 12441600.

The previous prime is 53436451. The next prime is 53436533. The reversal of 53436474 is 47463435.

It is a happy number.

53436474 is a `hidden beast` number, since 5 + 3 + 4 + 3 + 647 + 4 = 666.

53436474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 529024 + ... + 529124.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^53436474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53436474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80196480).

53436474 is an abundant number, since it is smaller than the sum of its proper divisors (106956486).

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

53436474 is a wasteful number, since it uses less digits than its factorization.

53436474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 162 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 53436474 is about 7310.0255813506. The cubic root of 53436474 is about 376.6569030109.

The spelling of 53436474 in words is "fifty-three million, four hundred thirty-six thousand, four hundred seventy-four".