52152778 has 8 divisors (see below), whose sum is σ = 78276672. Its totient is φ = 26060556.

The previous prime is 52152773. The next prime is 52152809. The reversal of 52152778 is 87725125.

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

It is not an unprimeable number, because it can be changed into a prime (52152773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (9784584).

Almost surely, 2^52152778 is an apocalyptic number.

52152778 is a deficient number, since it is larger than the sum of its proper divisors (26123894).

52152778 is a wasteful number, since it uses less digits than its factorization.

52152778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15836.

The product of its digits is 39200, while the sum is 37.

The square root of 52152778 is about 7221.6880298169. The cubic root of 52152778 is about 373.6163003173.

The spelling of 52152778 in words is "fifty-two million, one hundred fifty-two thousand, seven hundred seventy-eight".