53852221690 has 8 divisors (see below), whose sum is σ = 96933999060. Its totient is φ = 21540888672.

The previous prime is 53852221673. The next prime is 53852221711. The reversal of 53852221690 is 9612225835.

It can be written as a sum of positive squares in 2 ways, for example, as 45525476689 + 8326745001 = 213367^2 + 91251^2 .

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

It is a super-2 number, since 2×53852221690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692611075 + ... + 2692611094.

Almost surely, 2^53852221690 is an apocalyptic number.

53852221690 is a deficient number, since it is larger than the sum of its proper divisors (43081777370).

53852221690 is a wasteful number, since it uses less digits than its factorization.

53852221690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385222176.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 53852221690 in words is "fifty-three billion, eight hundred fifty-two million, two hundred twenty-one thousand, six hundred ninety".