52251943 has 4 divisors (see below), whose sum is σ = 52913440. Its totient is φ = 51590448.

The previous prime is 52251877. The next prime is 52251959. The reversal of 52251943 is 34915225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52251943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251973) 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, 330630 + ... + 330787.

It is an arithmetic number, because the mean of its divisors is an integer number (13228360).

Almost surely, 2^52251943 is an apocalyptic number.

52251943 is a deficient number, since it is larger than the sum of its proper divisors (661497).

52251943 is an equidigital number, since it uses as much as digits as its factorization.

52251943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661496.

The product of its digits is 10800, while the sum is 31.

The square root of 52251943 is about 7228.5505462714. The cubic root of 52251943 is about 373.8529524774.

The spelling of 52251943 in words is "fifty-two million, two hundred fifty-one thousand, nine hundred forty-three".