53707536 has 100 divisors (see below), whose sum is σ = 160917900. Its totient is φ = 17273088.

The previous prime is 53707463. The next prime is 53707561. The reversal of 53707536 is 63570735.

53707536 is a `hidden beast` number, since 53 + 70 + 7 + 536 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 39690000 = 3744^2 + 6300^2 .

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 53707536.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36870 + ... + 38298.

It is an arithmetic number, because the mean of its divisors is an integer number (1609179).

Almost surely, 2^53707536 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 53707536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80458950).

53707536 is an abundant number, since it is smaller than the sum of its proper divisors (107210364).

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

53707536 is a wasteful number, since it uses less digits than its factorization.

53707536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 53707536 is about 7328.5425563341. The cubic root of 53707536 is about 377.2927060966.

The spelling of 53707536 in words is "fifty-three million, seven hundred seven thousand, five hundred thirty-six".