52193643 has 8 divisors (see below), whose sum is σ = 71472528. Its totient is φ = 33855264.

The previous prime is 52193633. The next prime is 52193651. The reversal of 52193643 is 34639125.

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

It is not a de Polignac number, because 52193643 - 2⁶ = 52193579 is a prime.

It is a super-2 number, since 2×52193643² = 5448352739222898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52193623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234996 + ... + 235217.

It is an arithmetic number, because the mean of its divisors is an integer number (8934066).

Almost surely, 2^52193643 is an apocalyptic number.

52193643 is a deficient number, since it is larger than the sum of its proper divisors (19278885).

52193643 is a wasteful number, since it uses less digits than its factorization.

52193643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470253.

The product of its digits is 19440, while the sum is 33.

The square root of 52193643 is about 7224.5168004511. The cubic root of 52193643 is about 373.7138588409.

The spelling of 52193643 in words is "fifty-two million, one hundred ninety-three thousand, six hundred forty-three".