52780000525 has 24 divisors (see below), whose sum is σ = 74811334784. Its totient is φ = 36184968000.

The previous prime is 52780000523. The next prime is 52780000541. The reversal of 52780000525 is 52500008725.

It is not a de Polignac number, because 52780000525 - 2¹ = 52780000523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780000523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 971224 + ... + 1024126.

Almost surely, 2^52780000525 is an apocalyptic number.

It is an amenable number.

52780000525 is a deficient number, since it is larger than the sum of its proper divisors (22031334259).

52780000525 is a wasteful number, since it uses less digits than its factorization.

52780000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58621 (or 58616 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 52780000525 in words is "fifty-two billion, seven hundred eighty million, five hundred twenty-five", and thus it is an aban number.