52550278 has 8 divisors (see below), whose sum is σ = 85991400. Its totient is φ = 23886480.

The previous prime is 52550263. The next prime is 52550287. The reversal of 52550278 is 87205525.

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

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, 1194303 + ... + 1194346.

It is an arithmetic number, because the mean of its divisors is an integer number (10748925).

Almost surely, 2^52550278 is an apocalyptic number.

52550278 is a deficient number, since it is larger than the sum of its proper divisors (33441122).

52550278 is a wasteful number, since it uses less digits than its factorization.

52550278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388662.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 52550278 is about 7249.1570544443. The cubic root of 52550278 is about 374.5631131366.

The spelling of 52550278 in words is "fifty-two million, five hundred fifty thousand, two hundred seventy-eight".