52780718 has 16 divisors (see below), whose sum is σ = 81587520. Its totient is φ = 25595136.

The previous prime is 52780711. The next prime is 52780723. The reversal of 52780718 is 81708725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780711) 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, 8138 + ... + 13106.

It is an arithmetic number, because the mean of its divisors is an integer number (5099220).

Almost surely, 2^52780718 is an apocalyptic number.

52780718 is a deficient number, since it is larger than the sum of its proper divisors (28806802).

52780718 is a wasteful number, since it uses less digits than its factorization.

52780718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 52780718 is about 7265.0339297212. The cubic root of 52780718 is about 375.1098179110.

The spelling of 52780718 in words is "fifty-two million, seven hundred eighty thousand, seven hundred eighteen".