50166665353 has 6 divisors (see below), whose sum is σ = 58357141386. Its totient is φ = 42999998832.

The previous prime is 50166665347. The next prime is 50166665359. The reversal of 50166665353 is 35356666105.

It is an interprime number because it is at equal distance from previous prime (50166665347) and next prime (50166665359).

It can be written as a sum of positive squares in only one way, i.e., 45057703824 + 5108961529 = 212268^2 + 71477^2 .

It is a de Polignac number, because none of the positive numbers 2^k-50166665353 is a prime.

It is a super-2 number, since 2×50166665353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50166665359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511904700 + ... + 511904797.

It is an arithmetic number, because the mean of its divisors is an integer number (9726190231).

Almost surely, 2^50166665353 is an apocalyptic number.

It is an amenable number.

50166665353 is a deficient number, since it is larger than the sum of its proper divisors (8190476033).

50166665353 is a wasteful number, since it uses less digits than its factorization.

50166665353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023809511 (or 1023809504 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 50166665353 in words is "fifty billion, one hundred sixty-six million, six hundred sixty-five thousand, three hundred fifty-three".