52128626 has 32 divisors (see below), whose sum is σ = 90326016. Its totient is φ = 22330000.

The previous prime is 52128623. The next prime is 52128667. The reversal of 52128626 is 62682125.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52128592 and 52128601.

It is not an unprimeable number, because it can be changed into a prime (52128623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35201 + ... + 36651.

It is an arithmetic number, because the mean of its divisors is an integer number (2822688).

Almost surely, 2^52128626 is an apocalyptic number.

52128626 is a deficient number, since it is larger than the sum of its proper divisors (38197390).

52128626 is a wasteful number, since it uses less digits than its factorization.

52128626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its digits is 11520, while the sum is 32.

The square root of 52128626 is about 7220.0156509526. The cubic root of 52128626 is about 373.5586173933.

The spelling of 52128626 in words is "fifty-two million, one hundred twenty-eight thousand, six hundred twenty-six".