50533278 has 8 divisors (see below), whose sum is σ = 101066568. Its totient is φ = 16844424.

The previous prime is 50533267. The next prime is 50533289. The reversal of 50533278 is 87233505.

It is an interprime number because it is at equal distance from previous prime (50533267) and next prime (50533289).

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

50533278 is an admirable number.

It is a super-2 number, since 2×50533278² = 5107224370850568, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4211101 + ... + 4211112.

It is an arithmetic number, because the mean of its divisors is an integer number (12633321).

Almost surely, 2^50533278 is an apocalyptic number.

50533278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50533278 is a wasteful number, since it uses less digits than its factorization.

50533278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422218.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 50533278 is about 7108.6762480788. The cubic root of 50533278 is about 369.7082628490.

The spelling of 50533278 in words is "fifty million, five hundred thirty-three thousand, two hundred seventy-eight".