50743561 has 4 divisors (see below), whose sum is σ = 55356624. Its totient is φ = 46130500.

The previous prime is 50743529. The next prime is 50743633. The reversal of 50743561 is 16534705.

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 not a de Polignac number, because 50743561 - 2⁵ = 50743529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50743961) 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, 2306515 + ... + 2306536.

It is an arithmetic number, because the mean of its divisors is an integer number (13839156).

Almost surely, 2^50743561 is an apocalyptic number.

It is an amenable number.

50743561 is a deficient number, since it is larger than the sum of its proper divisors (4613063).

50743561 is a wasteful number, since it uses less digits than its factorization.

50743561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613062.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 50743561 is about 7123.4514808483. The cubic root of 50743561 is about 370.2203727370.

Subtracting from 50743561 its reverse (16534705), we obtain a triangular number (34208856 = T₈₂₇₁).

The spelling of 50743561 in words is "fifty million, seven hundred forty-three thousand, five hundred sixty-one".