53346746820 has 48 divisors (see below), whose sum is σ = 149418295488. Its totient is φ = 14221284480.

The previous prime is 53346746777. The next prime is 53346746821. The reversal of 53346746820 is 2864764335.

53346746820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53346746820² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53346746820.

It is not an unprimeable number, because it can be changed into a prime (53346746821) 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, 51730 + ... + 330710.

It is an arithmetic number, because the mean of its divisors is an integer number (3112881156).

Almost surely, 2^53346746820 is an apocalyptic number.

It is an amenable number.

53346746820 is an abundant number, since it is smaller than the sum of its proper divisors (96071548668).

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

53346746820 is a wasteful number, since it uses less digits than its factorization.

53346746820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282180 (or 282178 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 53346746820 in words is "fifty-three billion, three hundred forty-six million, seven hundred forty-six thousand, eight hundred twenty".