52223750 has 40 divisors (see below), whose sum is σ = 100374120. Its totient is φ = 20360000.

The previous prime is 52223729. The next prime is 52223783. The reversal of 52223750 is 5732225.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50741 + ... + 51759.

It is an arithmetic number, because the mean of its divisors is an integer number (2509353).

Almost surely, 2^52223750 is an apocalyptic number.

52223750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52223750 is a deficient number, since it is larger than the sum of its proper divisors (48150370).

52223750 is a wasteful number, since it uses less digits than its factorization.

52223750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 52223750 is about 7226.6001688207. The cubic root of 52223750 is about 373.7857018203.

Adding to 52223750 its reverse (5732225), we get a palindrome (57955975).

The spelling of 52223750 in words is "fifty-two million, two hundred twenty-three thousand, seven hundred fifty".