50021345 has 16 divisors (see below), whose sum is σ = 65662272. Its totient is φ = 36279360.

The previous prime is 50021339. The next prime is 50021351. The reversal of 50021345 is 54312005.

It is an interprime number because it is at equal distance from previous prime (50021339) and next prime (50021351).

It is not a de Polignac number, because 50021345 - 2¹⁸ = 49759201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23339 + ... + 25391.

It is an arithmetic number, because the mean of its divisors is an integer number (4103892).

Almost surely, 2^50021345 is an apocalyptic number.

50021345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50021345 is a deficient number, since it is larger than the sum of its proper divisors (15640927).

50021345 is a wasteful number, since it uses less digits than its factorization.

50021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50021345 is about 7072.5769702422. The cubic root of 50021345 is about 368.4555661741.

The spelling of 50021345 in words is "fifty million, twenty-one thousand, three hundred forty-five".