50821454 has 4 divisors (see below), whose sum is σ = 76232184. Its totient is φ = 25410726.

The previous prime is 50821451. The next prime is 50821457. The reversal of 50821454 is 45412805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45412805 = 5 ⋅9082561.

It is an interprime number because it is at equal distance from previous prime (50821451) and next prime (50821457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50821451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12705362 + ... + 12705365.

It is an arithmetic number, because the mean of its divisors is an integer number (19058046).

Almost surely, 2^50821454 is an apocalyptic number.

50821454 is a deficient number, since it is larger than the sum of its proper divisors (25410730).

50821454 is a wasteful number, since it uses less digits than its factorization.

50821454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25410729.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 50821454 is about 7128.9167480060. The cubic root of 50821454 is about 370.4097092884.

The spelling of 50821454 in words is "fifty million, eight hundred twenty-one thousand, four hundred fifty-four".