52722526 has 8 divisors (see below), whose sum is σ = 79706880. Its totient is φ = 26153568.

The previous prime is 52722517. The next prime is 52722529. The reversal of 52722526 is 62522725.

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

It is a super-4 number, since 4×52722526⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52722529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103531 + ... + 104038.

It is an arithmetic number, because the mean of its divisors is an integer number (9963360).

Almost surely, 2^52722526 is an apocalyptic number.

52722526 is a deficient number, since it is larger than the sum of its proper divisors (26984354).

52722526 is a wasteful number, since it uses less digits than its factorization.

52722526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207698.

The product of its digits is 16800, while the sum is 31.

The square root of 52722526 is about 7261.0278886670. The cubic root of 52722526 is about 374.9719113776.

The spelling of 52722526 in words is "fifty-two million, seven hundred twenty-two thousand, five hundred twenty-six".