50621953 has 4 divisors (see below), whose sum is σ = 50649300. Its totient is φ = 50594608.

The previous prime is 50621951. The next prime is 50621999. The reversal of 50621953 is 35912605.

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 8020224 + 42601729 = 2832^2 + 6527^2 .

It is a cyclic number.

It is not a de Polignac number, because 50621953 - 2¹ = 50621951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50621951) 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, 10678 + ... + 14671.

It is an arithmetic number, because the mean of its divisors is an integer number (12662325).

Almost surely, 2^50621953 is an apocalyptic number.

It is an amenable number.

50621953 is a deficient number, since it is larger than the sum of its proper divisors (27347).

50621953 is a wasteful number, since it uses less digits than its factorization.

50621953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27346.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 50621953 is about 7114.9106108229. The cubic root of 50621953 is about 369.9243892247.

The spelling of 50621953 in words is "fifty million, six hundred twenty-one thousand, nine hundred fifty-three".