52081870 has 16 divisors (see below), whose sum is σ = 93866688. Its totient is φ = 20806240.

The previous prime is 52081859. The next prime is 52081877. The reversal of 52081870 is 7818025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52081877) 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, 6252 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (5866668).

Almost surely, 2^52081870 is an apocalyptic number.

52081870 is a deficient number, since it is larger than the sum of its proper divisors (41784818).

52081870 is a wasteful number, since it uses less digits than its factorization.

52081870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 52081870 is about 7216.7769814509. The cubic root of 52081870 is about 373.4468980262.

Adding to 52081870 its reverse (7818025), we get a palindrome (59899895).

The spelling of 52081870 in words is "fifty-two million, eighty-one thousand, eight hundred seventy".