52122730 has 32 divisors (see below), whose sum is σ = 103768128. Its totient is φ = 18691200.

The previous prime is 52122727. The next prime is 52122743. The reversal of 52122730 is 3722125.

52122730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4785 + ... + 11275.

It is an arithmetic number, because the mean of its divisors is an integer number (3242754).

Almost surely, 2^52122730 is an apocalyptic number.

52122730 is a deficient number, since it is larger than the sum of its proper divisors (51645398).

52122730 is a wasteful number, since it uses less digits than its factorization.

52122730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52122730 is about 7219.6073300423. The cubic root of 52122730 is about 373.5445330995.

Adding to 52122730 its reverse (3722125), we get a palindrome (55844855).

The spelling of 52122730 in words is "fifty-two million, one hundred twenty-two thousand, seven hundred thirty".