53424015525 has 18 divisors (see below), whose sum is σ = 95688348210. Its totient is φ = 28492808160.

The previous prime is 53424015521. The next prime is 53424015539. The reversal of 53424015525 is 52551042435.

53424015525 is a `hidden beast` number, since 53 + 42 + 40 + 1 + 5 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11594767041 + 41829248484 = 107679^2 + 204522^2 .

It is not a de Polignac number, because 53424015525 - 2² = 53424015521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53424015525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53424015521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118719810 + ... + 118720259.

It is an arithmetic number, because the mean of its divisors is an integer number (5316019345).

Almost surely, 2^53424015525 is an apocalyptic number.

It is an amenable number.

53424015525 is a deficient number, since it is larger than the sum of its proper divisors (42264332685).

53424015525 is a wasteful number, since it uses less digits than its factorization.

53424015525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237440085 (or 237440077 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 53424015525 in words is "fifty-three billion, four hundred twenty-four million, fifteen thousand, five hundred twenty-five".