52017440251 has 16 divisors (see below), whose sum is σ = 62044936704. Its totient is φ = 42639784704.

The previous prime is 52017440243. The next prime is 52017440309. The reversal of 52017440251 is 15204471025.

It is a cyclic number.

It is not a de Polignac number, because 52017440251 - 2³ = 52017440243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52017440221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915396 + ... + 970558.

It is an arithmetic number, because the mean of its divisors is an integer number (3877808544).

Almost surely, 2^52017440251 is an apocalyptic number.

52017440251 is a deficient number, since it is larger than the sum of its proper divisors (10027496453).

52017440251 is a wasteful number, since it uses less digits than its factorization.

52017440251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61050.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 52017440251 in words is "fifty-two billion, seventeen million, four hundred forty thousand, two hundred fifty-one".