52581851 has 6 divisors (see below), whose sum is σ = 61166700. Its totient is φ = 45070116.

The previous prime is 52581829. The next prime is 52581863. The reversal of 52581851 is 15818525.

It is not a de Polignac number, because 52581851 - 2¹⁴ = 52565467 is a prime.

It is a super-3 number, since 3×52581851³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52581811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536501 + ... + 536598.

It is an arithmetic number, because the mean of its divisors is an integer number (10194450).

Almost surely, 2^52581851 is an apocalyptic number.

52581851 is a deficient number, since it is larger than the sum of its proper divisors (8584849).

52581851 is a wasteful number, since it uses less digits than its factorization.

52581851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073113 (or 1073106 counting only the distinct ones).

The product of its digits is 16000, while the sum is 35.

The square root of 52581851 is about 7251.3344289172. The cubic root of 52581851 is about 374.6381125085.

The spelling of 52581851 in words is "fifty-two million, five hundred eighty-one thousand, eight hundred fifty-one".