50421545 has 8 divisors (see below), whose sum is σ = 60633024. Its totient is φ = 40252464.

The previous prime is 50421533. The next prime is 50421557. The reversal of 50421545 is 54512405.

It is an interprime number because it is at equal distance from previous prime (50421533) and next prime (50421557).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50421545 - 2²⁰ = 49372969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7919 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (7579128).

Almost surely, 2^50421545 is an apocalyptic number.

It is an amenable number.

50421545 is a deficient number, since it is larger than the sum of its proper divisors (10211479).

50421545 is a wasteful number, since it uses less digits than its factorization.

50421545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 50421545 is about 7100.8129816240. The cubic root of 50421545 is about 369.4355772186.

The spelling of 50421545 in words is "fifty million, four hundred twenty-one thousand, five hundred forty-five".