52217695949 has 4 divisors (see below), whose sum is σ = 52313158464. Its totient is φ = 52122233436.

The previous prime is 52217695931. The next prime is 52217695951. The reversal of 52217695949 is 94959671225.

52217695949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52217695949 is a prime.

It is a super-2 number, since 2×52217695949² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52217695549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47730437 + ... + 47731530.

It is an arithmetic number, because the mean of its divisors is an integer number (13078289616).

Almost surely, 2^52217695949 is an apocalyptic number.

It is an amenable number.

52217695949 is a deficient number, since it is larger than the sum of its proper divisors (95462515).

52217695949 is an equidigital number, since it uses as much as digits as its factorization.

52217695949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95462514.

The product of its digits is 12247200, while the sum is 59.

The spelling of 52217695949 in words is "fifty-two billion, two hundred seventeen million, six hundred ninety-five thousand, nine hundred forty-nine".