53346340 has 24 divisors (see below), whose sum is σ = 118617912. Its totient is φ = 20083200.

The previous prime is 53346331. The next prime is 53346343. The reversal of 53346340 is 4364335.

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 49871844 = 1864^2 + 7062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53346299 and 53346308.

It is not an unprimeable number, because it can be changed into a prime (53346343) 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, 78111 + ... + 78790.

It is an arithmetic number, because the mean of its divisors is an integer number (4942413).

Almost surely, 2^53346340 is an apocalyptic number.

It is an amenable number.

53346340 is an abundant number, since it is smaller than the sum of its proper divisors (65271572).

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

53346340 is a wasteful number, since it uses less digits than its factorization.

53346340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156927 (or 156925 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 53346340 is about 7303.8578847072. The cubic root of 53346340 is about 376.4450084201.

The spelling of 53346340 in words is "fifty-three million, three hundred forty-six thousand, three hundred forty".