52699626 has 128 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 13830912.

The previous prime is 52699589. The next prime is 52699631. The reversal of 52699626 is 62699625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 379065 + ... + 379203.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^52699626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52699626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000).

52699626 is an abundant number, since it is smaller than the sum of its proper divisors (92452374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52699626 is a wasteful number, since it uses less digits than its factorization.

52699626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 227 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 52699626 is about 7259.4508056739. The cubic root of 52699626 is about 374.9176139014.

Subtracting 52699626 from its reverse (62699625), we obtain a palindrome (9999999).

The spelling of 52699626 in words is "fifty-two million, six hundred ninety-nine thousand, six hundred twenty-six".