52950642840 has 192 divisors, whose sum is σ = 179500557600. Its totient is φ = 14038106112.

The previous prime is 52950642839. The next prime is 52950642869. The reversal of 52950642840 is 4824605925.

52950642840 is a `hidden beast` number, since 5 + 29 + 506 + 42 + 84 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 1665816 + ... + 1697304.

Almost surely, 2^52950642840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52950642840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89750278800).

52950642840 is an abundant number, since it is smaller than the sum of its proper divisors (126549914760).

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

52950642840 is a wasteful number, since it uses less digits than its factorization.

52950642840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31688 (or 31672 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 52950642840 in words is "fifty-two billion, nine hundred fifty million, six hundred forty-two thousand, eight hundred forty".