52506786 has 16 divisors (see below), whose sum is σ = 105602400. Its totient is φ = 17404128.

The previous prime is 52506767. The next prime is 52506793. The reversal of 52506786 is 68760525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23371 + ... + 25518.

It is an arithmetic number, because the mean of its divisors is an integer number (6600150).

Almost surely, 2^52506786 is an apocalyptic number.

52506786 is an abundant number, since it is smaller than the sum of its proper divisors (53095614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52506786 is a wasteful number, since it uses less digits than its factorization.

52506786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49073.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 52506786 is about 7246.1566364522. The cubic root of 52506786 is about 374.4597518367.

The spelling of 52506786 in words is "fifty-two million, five hundred six thousand, seven hundred eighty-six".