52780025305 has 32 divisors (see below), whose sum is σ = 72626586624. Its totient is φ = 36070949376.

The previous prime is 52780025303. The next prime is 52780025321. The reversal of 52780025305 is 50352008725.

It is not a de Polignac number, because 52780025305 - 2¹ = 52780025303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52780025303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20044269 + ... + 20046901.

It is an arithmetic number, because the mean of its divisors is an integer number (2269580832).

Almost surely, 2^52780025305 is an apocalyptic number.

It is an amenable number.

52780025305 is a deficient number, since it is larger than the sum of its proper divisors (19846561319).

52780025305 is a wasteful number, since it uses less digits than its factorization.

52780025305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 52780025305 in words is "fifty-two billion, seven hundred eighty million, twenty-five thousand, three hundred five".