52578071620 has 24 divisors (see below), whose sum is σ = 111969079488. Its totient is φ = 20735013600.

The previous prime is 52578071617. The next prime is 52578071633. The reversal of 52578071620 is 2617087525.

52578071620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18511986 + ... + 18514825.

It is an arithmetic number, because the mean of its divisors is an integer number (4665378312).

Almost surely, 2^52578071620 is an apocalyptic number.

It is an amenable number.

52578071620 is an abundant number, since it is smaller than the sum of its proper divisors (59391007868).

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

52578071620 is a wasteful number, since it uses less digits than its factorization.

52578071620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37026891 (or 37026889 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 52578071620 in words is "fifty-two billion, five hundred seventy-eight million, seventy-one thousand, six hundred twenty".