50046781 has 4 divisors (see below), whose sum is σ = 52222752. Its totient is φ = 47870812.

The previous prime is 50046767. The next prime is 50046791. The reversal of 50046781 is 18764005.

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 50046781 - 2⁵ = 50046749 is a prime.

It is a super-2 number, since 2×50046781² = 5009360576923922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50046701) 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, 1087951 + ... + 1087996.

It is an arithmetic number, because the mean of its divisors is an integer number (13055688).

Almost surely, 2^50046781 is an apocalyptic number.

It is an amenable number.

50046781 is a deficient number, since it is larger than the sum of its proper divisors (2175971).

50046781 is a wasteful number, since it uses less digits than its factorization.

50046781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175970.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 50046781 is about 7074.3749547221. The cubic root of 50046781 is about 368.5180091683.

The spelling of 50046781 in words is "fifty million, forty-six thousand, seven hundred eighty-one".