52645278510 has 160 divisors (see below), whose sum is σ = 156020733792. Its totient is φ = 12630712320.

The previous prime is 52645278509. The next prime is 52645278551. The reversal of 52645278510 is 1587254625.

52645278510 is a `hidden beast` number, since 5 + 2 + 64 + 5 + 2 + 78 + 510 = 666.

52645278510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 833814 + ... + 894726.

Almost surely, 2^52645278510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52645278510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78010366896).

52645278510 is an abundant number, since it is smaller than the sum of its proper divisors (103375455282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52645278510 is a wasteful number, since it uses less digits than its factorization.

52645278510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61040 (or 61031 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 52645278510 in words is "fifty-two billion, six hundred forty-five million, two hundred seventy-eight thousand, five hundred ten".