53075805525 has 48 divisors (see below), whose sum is σ = 98467715520. Its totient is φ = 28026792000.

The previous prime is 53075805521. The next prime is 53075805599. The reversal of 53075805525 is 52550857035.

53075805525 is a `hidden beast` number, since 53 + 0 + 75 + 8 + 0 + 5 + 525 = 666.

It is not a de Polignac number, because 53075805525 - 2² = 53075805521 is a prime.

It is a super-2 number, since 2×53075805525² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075805521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 321087 + ... + 457436.

It is an arithmetic number, because the mean of its divisors is an integer number (2051410740).

Almost surely, 2^53075805525 is an apocalyptic number.

It is an amenable number.

53075805525 is a deficient number, since it is larger than the sum of its proper divisors (45391909995).

53075805525 is a wasteful number, since it uses less digits than its factorization.

53075805525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778643 (or 778632 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 53075805525 in words is "fifty-three billion, seventy-five million, eight hundred five thousand, five hundred twenty-five".