52209662 has 4 divisors (see below), whose sum is σ = 78314496. Its totient is φ = 26104830.

The previous prime is 52209653. The next prime is 52209679. The reversal of 52209662 is 26690225.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 13052414 + ... + 13052417.

It is an arithmetic number, because the mean of its divisors is an integer number (19578624).

Almost surely, 2^52209662 is an apocalyptic number.

52209662 is a deficient number, since it is larger than the sum of its proper divisors (26104834).

52209662 is a wasteful number, since it uses less digits than its factorization.

52209662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26104833.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 52209662 is about 7225.6253708589. The cubic root of 52209662 is about 373.7520876980.

Adding to 52209662 its reverse (26690225), we get a palindrome (78899887).

The spelling of 52209662 in words is "fifty-two million, two hundred nine thousand, six hundred sixty-two".