53415404 has 12 divisors (see below), whose sum is σ = 106830864. Its totient is φ = 22892304.

The previous prime is 53415391. The next prime is 53415409. The reversal of 53415404 is 40451435.

53415404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53415409) 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, 953819 + ... + 953874.

It is an arithmetic number, because the mean of its divisors is an integer number (8902572).

Almost surely, 2^53415404 is an apocalyptic number.

It is an amenable number.

53415404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53415404 is a wasteful number, since it uses less digits than its factorization.

53415404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907704 (or 1907702 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 53415404 is about 7308.5842678319. The cubic root of 53415404 is about 376.6073912345.

Adding to 53415404 its reverse (40451435), we get a palindrome (93866839).

The spelling of 53415404 in words is "fifty-three million, four hundred fifteen thousand, four hundred four".