50421425 has 6 divisors (see below), whose sum is σ = 62522598. Its totient is φ = 40337120.

The previous prime is 50421419. The next prime is 50421463. The reversal of 50421425 is 52412405.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 351649 + 50069776 = 593^2 + 7076^2 .

It is not a de Polignac number, because 50421425 - 2⁴ = 50421409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50421425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1008404 + ... + 1008453.

It is an arithmetic number, because the mean of its divisors is an integer number (10420433).

Almost surely, 2^50421425 is an apocalyptic number.

It is an amenable number.

50421425 is a deficient number, since it is larger than the sum of its proper divisors (12101173).

50421425 is a wasteful number, since it uses less digits than its factorization.

50421425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016867 (or 2016862 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 50421425 is about 7100.8045318823. The cubic root of 50421425 is about 369.4352841409.

The spelling of 50421425 in words is "fifty million, four hundred twenty-one thousand, four hundred twenty-five".