52081786 has 8 divisors (see below), whose sum is σ = 78159060. Its totient is φ = 26028768.

The previous prime is 52081769. The next prime is 52081807. The reversal of 52081786 is 68718025.

It can be written as a sum of positive squares in 2 ways, for example, as 46172025 + 5909761 = 6795^2 + 2431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910 + ... + 10246.

Almost surely, 2^52081786 is an apocalyptic number.

52081786 is a deficient number, since it is larger than the sum of its proper divisors (26077274).

52081786 is a wasteful number, since it uses less digits than its factorization.

52081786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 52081786 is about 7216.7711616761. The cubic root of 52081786 is about 373.4466972554.

The spelling of 52081786 in words is "fifty-two million, eighty-one thousand, seven hundred eighty-six".