53375436 has 72 divisors (see below), whose sum is σ = 141719760. Its totient is φ = 17563392.

The previous prime is 53375431. The next prime is 53375453. The reversal of 53375436 is 63457335.

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 a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53375436.

It is not an unprimeable number, because it can be changed into a prime (53375431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86200 + ... + 86816.

It is an arithmetic number, because the mean of its divisors is an integer number (1968330).

Almost surely, 2^53375436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53375436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70859880).

53375436 is an abundant number, since it is smaller than the sum of its proper divisors (88344324).

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

53375436 is a wasteful number, since it uses less digits than its factorization.

53375436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 711 counting only the distinct ones).

The product of its digits is 113400, while the sum is 36.

The square root of 53375436 is about 7305.8494372660. The cubic root of 53375436 is about 376.5134358152.

The spelling of 53375436 in words is "fifty-three million, three hundred seventy-five thousand, four hundred thirty-six".