52747432690 has 8 divisors (see below), whose sum is σ = 94945378860. Its totient is φ = 21098973072.

The previous prime is 52747432667. The next prime is 52747432729. The reversal of 52747432690 is 9623474725.

It can be written as a sum of positive squares in 2 ways, for example, as 51190420009 + 1557012681 = 226253^2 + 39459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52747432690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637371625 + ... + 2637371644.

Almost surely, 2^52747432690 is an apocalyptic number.

52747432690 is a deficient number, since it is larger than the sum of its proper divisors (42197946170).

52747432690 is a wasteful number, since it uses less digits than its factorization.

52747432690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274743276.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 52747432690 in words is "fifty-two billion, seven hundred forty-seven million, four hundred thirty-two thousand, six hundred ninety".