52581670 has 8 divisors (see below), whose sum is σ = 94647024. Its totient is φ = 21032664.

The previous prime is 52581631. The next prime is 52581679. The reversal of 52581670 is 7618525.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52581679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2629074 + ... + 2629093.

It is an arithmetic number, because the mean of its divisors is an integer number (11830878).

Almost surely, 2^52581670 is an apocalyptic number.

52581670 is a deficient number, since it is larger than the sum of its proper divisors (42065354).

52581670 is a wasteful number, since it uses less digits than its factorization.

52581670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258174.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 52581670 is about 7251.3219484450. The cubic root of 52581670 is about 374.6376826417.

The spelling of 52581670 in words is "fifty-two million, five hundred eighty-one thousand, six hundred seventy".