52290046 has 16 divisors (see below), whose sum is σ = 79776144. Its totient is φ = 25700544.

The previous prime is 52290037. The next prime is 52290053. The reversal of 52290046 is 64009225.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 52289996 and 52290023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81001 + ... + 81643.

It is an arithmetic number, because the mean of its divisors is an integer number (4986009).

Almost surely, 2^52290046 is an apocalyptic number.

52290046 is a deficient number, since it is larger than the sum of its proper divisors (27486098).

52290046 is a wasteful number, since it uses less digits than its factorization.

52290046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52290046 is about 7231.1856565850. The cubic root of 52290046 is about 373.9438036949.

The spelling of 52290046 in words is "fifty-two million, two hundred ninety thousand, forty-six".