52425516647 has 24 divisors (see below), whose sum is σ = 63734643936. Its totient is φ = 42915985728.

The previous prime is 52425516641. The next prime is 52425516653. The reversal of 52425516647 is 74661552425.

It is an interprime number because it is at equal distance from previous prime (52425516641) and next prime (52425516653).

It is not a de Polignac number, because 52425516647 - 2⁴ = 52425516631 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 (52425516641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700313 + ... + 771549.

It is an arithmetic number, because the mean of its divisors is an integer number (2655610164).

Almost surely, 2^52425516647 is an apocalyptic number.

52425516647 is a deficient number, since it is larger than the sum of its proper divisors (11309127289).

52425516647 is a wasteful number, since it uses less digits than its factorization.

52425516647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71927 (or 71920 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 47.

The spelling of 52425516647 in words is "fifty-two billion, four hundred twenty-five million, five hundred sixteen thousand, six hundred forty-seven".