52679340 has 72 divisors (see below), whose sum is σ = 182626080. Its totient is φ = 12040704.

The previous prime is 52679329. The next prime is 52679369. The reversal of 52679340 is 4397625.

52679340 is a `hidden beast` number, since 526 + 7 + 93 + 40 = 666.

52679340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52679340² = 5550225725671200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52679295 and 52679304.

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 23 ways as a sum of consecutive naturals, for example, 19645 + ... + 22164.

Almost surely, 2^52679340 is an apocalyptic number.

It is an amenable number.

52679340 is an abundant number, since it is smaller than the sum of its proper divisors (129946740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52679340 is a wasteful number, since it uses less digits than its factorization.

52679340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41831 (or 41826 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 52679340 is about 7258.0534580561. The cubic root of 52679340 is about 374.8695012588.

The spelling of 52679340 in words is "fifty-two million, six hundred seventy-nine thousand, three hundred forty".