52695700981 has 36 divisors (see below), whose sum is σ = 67975461036. Its totient is φ = 40697690880.

The previous prime is 52695700979. The next prime is 52695700991. The reversal of 52695700981 is 18900759625.

52695700981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22893203025 + 29802497956 = 151305^2 + 172634^2 .

It is not a de Polignac number, because 52695700981 - 2¹ = 52695700979 is a prime.

It is a super-2 number, since 2×52695700981² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52695700991) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 630651 + ... + 709303.

It is an arithmetic number, because the mean of its divisors is an integer number (1888207251).

Almost surely, 2^52695700981 is an apocalyptic number.

It is an amenable number.

52695700981 is a deficient number, since it is larger than the sum of its proper divisors (15279760055).

52695700981 is a wasteful number, since it uses less digits than its factorization.

52695700981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78802 (or 78784 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 52695700981 in words is "fifty-two billion, six hundred ninety-five million, seven hundred thousand, nine hundred eighty-one".