52646042 has 16 divisors (see below), whose sum is σ = 85876200. Its totient is φ = 24104448.

The previous prime is 52646039. The next prime is 52646051. The reversal of 52646042 is 24064625.

It can be written as a sum of positive squares in 4 ways, for example, as 51251281 + 1394761 = 7159^2 + 1181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52645996 and 52646014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19667 + ... + 22182.

Almost surely, 2^52646042 is an apocalyptic number.

52646042 is a deficient number, since it is larger than the sum of its proper divisors (33230158).

52646042 is a wasteful number, since it uses less digits than its factorization.

52646042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41905.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 52646042 is about 7255.7592297429. The cubic root of 52646042 is about 374.7905010564.

The spelling of 52646042 in words is "fifty-two million, six hundred forty-six thousand, forty-two".