53626839 has 8 divisors (see below), whose sum is σ = 81717120. Its totient is φ = 30643896.

The previous prime is 53626819. The next prime is 53626841. The reversal of 53626839 is 93862635.

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

It is not a de Polignac number, because 53626839 - 2¹⁶ = 53561303 is a prime.

It is a super-2 number, since 2×53626839² = 5751675722263842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53626839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53626819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276809 + ... + 1276850.

It is an arithmetic number, because the mean of its divisors is an integer number (10214640).

Almost surely, 2^53626839 is an apocalyptic number.

53626839 is a deficient number, since it is larger than the sum of its proper divisors (28090281).

53626839 is a wasteful number, since it uses less digits than its factorization.

53626839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553669.

The product of its digits is 233280, while the sum is 42.

The square root of 53626839 is about 7323.0348217116. The cubic root of 53626839 is about 377.1036472707.

The spelling of 53626839 in words is "fifty-three million, six hundred twenty-six thousand, eight hundred thirty-nine".