52720861750 has 32 divisors (see below), whose sum is σ = 102096689760. Its totient is φ = 20361157600.

The previous prime is 52720861747. The next prime is 52720861751. The reversal of 52720861750 is 5716802725.

It is a super-2 number, since 2×52720861750² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52720861697 and 52720861706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52720861751) 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, 3628672 + ... + 3643171.

It is an arithmetic number, because the mean of its divisors is an integer number (3190521555).

Almost surely, 2^52720861750 is an apocalyptic number.

52720861750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52720861750 is a deficient number, since it is larger than the sum of its proper divisors (49375828010).

52720861750 is a wasteful number, since it uses less digits than its factorization.

52720861750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271889 (or 7271879 counting only the distinct ones).

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

The spelling of 52720861750 in words is "fifty-two billion, seven hundred twenty million, eight hundred sixty-one thousand, seven hundred fifty".