53719560 has 144 divisors (see below), whose sum is σ = 181080900. Its totient is φ = 13810176.

The previous prime is 53719537. The next prime is 53719573. The reversal of 53719560 is 6591735.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 49028004 + 4691556 = 7002^2 + 2166^2 .

It is a super-2 number, since 2×53719560² = 5771582253187200, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 492786 + ... + 492894.

Almost surely, 2^53719560 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 53719560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90540450).

53719560 is an abundant number, since it is smaller than the sum of its proper divisors (127361340).

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

53719560 is a wasteful number, since it uses less digits than its factorization.

53719560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 53719560 is about 7329.3628645333. The cubic root of 53719560 is about 377.3208599916.

The spelling of 53719560 in words is "fifty-three million, seven hundred nineteen thousand, five hundred sixty".