52009782 has 16 divisors (see below), whose sum is σ = 113476032. Its totient is φ = 15760520.

The previous prime is 52009781. The next prime is 52009787. The reversal of 52009782 is 28790025.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52009781) 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, 393948 + ... + 394079.

It is an arithmetic number, because the mean of its divisors is an integer number (7092252).

Almost surely, 2^52009782 is an apocalyptic number.

52009782 is an abundant number, since it is smaller than the sum of its proper divisors (61466250).

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

52009782 is a wasteful number, since it uses less digits than its factorization.

52009782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788043.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 52009782 is about 7211.7807786981. The cubic root of 52009782 is about 373.2745189733.

The spelling of 52009782 in words is "fifty-two million, nine thousand, seven hundred eighty-two".