52780106 has 8 divisors (see below), whose sum is σ = 79219524. Its totient is φ = 26373600.

The previous prime is 52780099. The next prime is 52780109. The reversal of 52780106 is 60108725.

It can be written as a sum of positive squares in 2 ways, for example, as 52693081 + 87025 = 7259^2 + 295^2 .

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 (52780109) 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, 3725 + ... + 10928.

Almost surely, 2^52780106 is an apocalyptic number.

52780106 is a deficient number, since it is larger than the sum of its proper divisors (26439418).

52780106 is a wasteful number, since it uses less digits than its factorization.

52780106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 52780106 is about 7264.9918100436. The cubic root of 52780106 is about 375.1083680880.

The spelling of 52780106 in words is "fifty-two million, seven hundred eighty thousand, one hundred six".