52240153781 has 16 divisors (see below), whose sum is σ = 54444868608. Its totient is φ = 50070009600.

The previous prime is 52240153753. The next prime is 52240153793. The reversal of 52240153781 is 18735104225.

52240153781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52240153781 - 2¹⁸ = 52239891637 is a prime.

It is a super-2 number, since 2×52240153781² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52240153181) 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, 1496381 + ... + 1530893.

It is an arithmetic number, because the mean of its divisors is an integer number (3402804288).

Almost surely, 2^52240153781 is an apocalyptic number.

It is an amenable number.

52240153781 is a deficient number, since it is larger than the sum of its proper divisors (2204714827).

52240153781 is a wasteful number, since it uses less digits than its factorization.

52240153781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 52240153781 in words is "fifty-two billion, two hundred forty million, one hundred fifty-three thousand, seven hundred eighty-one".