52001511 has 8 divisors (see below), whose sum is σ = 69371904. Its totient is φ = 34649400.

The previous prime is 52001503. The next prime is 52001527. The reversal of 52001511 is 11510025.

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

It is not a de Polignac number, because 52001511 - 2³ = 52001503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001561) 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, 4836 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (8671488).

Almost surely, 2^52001511 is an apocalyptic number.

52001511 is a deficient number, since it is larger than the sum of its proper divisors (17370393).

52001511 is a wasteful number, since it uses less digits than its factorization.

52001511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 52001511 is about 7211.2073191665. The cubic root of 52001511 is about 373.2547309187.

Adding to 52001511 its reverse (11510025), we get a palindrome (63511536).

The spelling of 52001511 in words is "fifty-two million, one thousand, five hundred eleven".