50445631 has 4 divisors (see below), whose sum is σ = 50512000. Its totient is φ = 50379264.

The previous prime is 50445623. The next prime is 50445641. The reversal of 50445631 is 13654405.

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

It is a cyclic number.

It is not a de Polignac number, because 50445631 - 2³ = 50445623 is a prime.

It is a super-2 number, since 2×50445631² = 5089523373976322, which 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 50445631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50445641) 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, 32031 + ... + 33568.

It is an arithmetic number, because the mean of its divisors is an integer number (12628000).

Almost surely, 2^50445631 is an apocalyptic number.

50445631 is a deficient number, since it is larger than the sum of its proper divisors (66369).

50445631 is an equidigital number, since it uses as much as digits as its factorization.

50445631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66368.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 50445631 is about 7102.5087821135. The cubic root of 50445631 is about 369.4943934040.

It can be divided in two parts, 50445 and 631, that added together give a square (51076 = 226²).

The spelling of 50445631 in words is "fifty million, four hundred forty-five thousand, six hundred thirty-one".