52678331 has 4 divisors (see below), whose sum is σ = 54377664. Its totient is φ = 50979000.

The previous prime is 52678309. The next prime is 52678337. The reversal of 52678331 is 13387625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52678331 - 2¹⁸ = 52416187 is a prime.

It is a super-2 number, since 2×52678331² = 5550013113891122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52678291 and 52678300.

It is not an unprimeable number, because it can be changed into a prime (52678337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849620 + ... + 849681.

It is an arithmetic number, because the mean of its divisors is an integer number (13594416).

Almost surely, 2^52678331 is an apocalyptic number.

52678331 is a deficient number, since it is larger than the sum of its proper divisors (1699333).

52678331 is a wasteful number, since it uses less digits than its factorization.

52678331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699332.

The product of its digits is 30240, while the sum is 35.

The square root of 52678331 is about 7257.9839487285. The cubic root of 52678331 is about 374.8671078743.

The spelling of 52678331 in words is "fifty-two million, six hundred seventy-eight thousand, three hundred thirty-one".