50933073995521 has 4 divisors (see below), whose sum is σ = 51060089143044. Its totient is φ = 50806058848000.

The previous prime is 50933073995501. The next prime is 50933073995527. The reversal of 50933073995521 is 12559937033905.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49892396537025 + 1040677458496 = 7063455^2 + 1020136^2 .

It is a cyclic number.

It is not a de Polignac number, because 50933073995521 - 2⁷ = 50933073995393 is a prime.

It is a super-2 number, since 2×50933073995521² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50933073995521.

It is not an unprimeable number, because it can be changed into a prime (50933073995527) 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, 63507573160 + ... + 63507573961.

It is an arithmetic number, because the mean of its divisors is an integer number (12765022285761).

Almost surely, 2^{50933073995521} is an apocalyptic number.

It is an amenable number.

50933073995521 is a deficient number, since it is larger than the sum of its proper divisors (127015147523).

50933073995521 is a wasteful number, since it uses less digits than its factorization.

50933073995521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127015147522.

The product of its (nonzero) digits is 34445250, while the sum is 61.

The spelling of 50933073995521 in words is "fifty trillion, nine hundred thirty-three billion, seventy-three million, nine hundred ninety-five thousand, five hundred twenty-one".