52702191 has 16 divisors (see below), whose sum is σ = 78221920. Its totient is φ = 35069760.

The previous prime is 52702189. The next prime is 52702213. The reversal of 52702191 is 19120725.

It is not a de Polignac number, because 52702191 - 2¹ = 52702189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52702691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16371 + ... + 19323.

It is an arithmetic number, because the mean of its divisors is an integer number (4888870).

Almost surely, 2^52702191 is an apocalyptic number.

52702191 is a deficient number, since it is larger than the sum of its proper divisors (25519729).

52702191 is a wasteful number, since it uses less digits than its factorization.

52702191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 52702191 is about 7259.6274697811. The cubic root of 52702191 is about 374.9236964751.

The spelling of 52702191 in words is "fifty-two million, seven hundred two thousand, one hundred ninety-one".