52540370 has 32 divisors (see below), whose sum is σ = 102854448. Its totient is φ = 19243008.

The previous prime is 52540357. The next prime is 52540399. The reversal of 52540370 is 7304525.

52540370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 44582329 + 7958041 = 6677^2 + 2821^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114 + ... + 10466.

Almost surely, 2^52540370 is an apocalyptic number.

52540370 is a deficient number, since it is larger than the sum of its proper divisors (50314078).

52540370 is a wasteful number, since it uses less digits than its factorization.

52540370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 52540370 is about 7248.4736324277. The cubic root of 52540370 is about 374.5395712085.

Adding to 52540370 its reverse (7304525), we get a palindrome (59844895).

The spelling of 52540370 in words is "fifty-two million, five hundred forty thousand, three hundred seventy".