52013072 has 10 divisors (see below), whose sum is σ = 100775358. Its totient is φ = 26006528.

The previous prime is 52013063. The next prime is 52013077. The reversal of 52013072 is 27031025.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 2676496 = 7024^2 + 1636^2 .

It is not an unprimeable number, because it can be changed into a prime (52013077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625393 + ... + 1625424.

Almost surely, 2^52013072 is an apocalyptic number.

It is an amenable number.

52013072 is a deficient number, since it is larger than the sum of its proper divisors (48762286).

52013072 is a wasteful number, since it uses less digits than its factorization.

52013072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250825 (or 3250819 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 52013072 is about 7212.0088740933. The cubic root of 52013072 is about 373.2823895907.

Adding to 52013072 its reverse (27031025), we get a palindrome (79044097).

The spelling of 52013072 in words is "fifty-two million, thirteen thousand, seventy-two".