50918401 has 4 divisors (see below), whose sum is σ = 52294612. Its totient is φ = 49542192.

The previous prime is 50918363. The next prime is 50918447. The reversal of 50918401 is 10481905.

It is a happy number.

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 38130625 + 12787776 = 6175^2 + 3576^2 .

It is a cyclic number.

It is not a de Polignac number, because 50918401 - 2¹⁷ = 50787329 is a prime.

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 50918401.

It is not an unprimeable number, because it can be changed into a prime (50918471) 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, 688050 + ... + 688123.

It is an arithmetic number, because the mean of its divisors is an integer number (13073653).

Almost surely, 2^50918401 is an apocalyptic number.

It is an amenable number.

50918401 is a deficient number, since it is larger than the sum of its proper divisors (1376211).

50918401 is a wasteful number, since it uses less digits than its factorization.

50918401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376210.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 50918401 is about 7135.7130687830. The cubic root of 50918401 is about 370.6450908539.

The spelling of 50918401 in words is "fifty million, nine hundred eighteen thousand, four hundred one".