52250138 has 8 divisors (see below), whose sum is σ = 78563520. Its totient is φ = 26062300.

The previous prime is 52250137. The next prime is 52250147. The reversal of 52250138 is 83105225.

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

It is not an unprimeable number, because it can be changed into a prime (52250137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30338 + ... + 32013.

It is an arithmetic number, because the mean of its divisors is an integer number (9820440).

Almost surely, 2^52250138 is an apocalyptic number.

52250138 is a deficient number, since it is larger than the sum of its proper divisors (26313382).

52250138 is a wasteful number, since it uses less digits than its factorization.

52250138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62772.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52250138 is about 7228.4256930538. The cubic root of 52250138 is about 373.8486476146.

The spelling of 52250138 in words is "fifty-two million, two hundred fifty thousand, one hundred thirty-eight".