52355247 has 8 divisors (see below), whose sum is σ = 79779456. Its totient is φ = 29917272.

The previous prime is 52355221. The next prime is 52355267. The reversal of 52355247 is 74255325.

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

It is not a de Polignac number, because 52355247 - 2²² = 48160943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52355267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246533 + ... + 1246574.

It is an arithmetic number, because the mean of its divisors is an integer number (9972432).

Almost surely, 2^52355247 is an apocalyptic number.

52355247 is a deficient number, since it is larger than the sum of its proper divisors (27424209).

52355247 is a wasteful number, since it uses less digits than its factorization.

52355247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493117.

The product of its digits is 42000, while the sum is 33.

The square root of 52355247 is about 7235.6925722421. The cubic root of 52355247 is about 374.0991639401.

The spelling of 52355247 in words is "fifty-two million, three hundred fifty-five thousand, two hundred forty-seven".