53442526 has 8 divisors (see below), whose sum is σ = 84879360. Its totient is φ = 25149408.

The previous prime is 53442491. The next prime is 53442533. The reversal of 53442526 is 62524435.

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

It is a super-2 number, since 2×53442526² = 5712207170521352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785886 + ... + 785953.

It is an arithmetic number, because the mean of its divisors is an integer number (10609920).

Almost surely, 2^53442526 is an apocalyptic number.

53442526 is a deficient number, since it is larger than the sum of its proper divisors (31436834).

53442526 is a wasteful number, since it uses less digits than its factorization.

53442526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571858.

The product of its digits is 28800, while the sum is 31.

The square root of 53442526 is about 7310.4395216704. The cubic root of 53442526 is about 376.6711220225.

The spelling of 53442526 in words is "fifty-three million, four hundred forty-two thousand, five hundred twenty-six".