53415646 has 16 divisors (see below), whose sum is σ = 81664128. Its totient is φ = 26199000.

The previous prime is 53415623. The next prime is 53415647. The reversal of 53415646 is 64651435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415647) 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, 24001 + ... + 26131.

It is an arithmetic number, because the mean of its divisors is an integer number (5104008).

Almost surely, 2^53415646 is an apocalyptic number.

53415646 is a deficient number, since it is larger than the sum of its proper divisors (28248482).

53415646 is a wasteful number, since it uses less digits than its factorization.

53415646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367.

The product of its digits is 43200, while the sum is 34.

The square root of 53415646 is about 7308.6008236871. The cubic root of 53415646 is about 376.6079599772.

The spelling of 53415646 in words is "fifty-three million, four hundred fifteen thousand, six hundred forty-six".