52949891 has 8 divisors (see below), whose sum is σ = 55555968. Its totient is φ = 50400000.

The previous prime is 52949881. The next prime is 52949909. The reversal of 52949891 is 19894925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52949891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52949801) 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, 12110 + ... + 15891.

It is an arithmetic number, because the mean of its divisors is an integer number (6944496).

Almost surely, 2^52949891 is an apocalyptic number.

52949891 is a deficient number, since it is larger than the sum of its proper divisors (2606077).

52949891 is a wasteful number, since it uses less digits than its factorization.

52949891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28093.

The product of its digits is 233280, while the sum is 47.

The square root of 52949891 is about 7276.6675752023. The cubic root of 52949891 is about 375.5101583951.

The spelling of 52949891 in words is "fifty-two million, nine hundred forty-nine thousand, eight hundred ninety-one".