53287404 has 24 divisors (see below), whose sum is σ = 126377328. Its totient is φ = 17471040.

The previous prime is 53287379. The next prime is 53287427. The reversal of 53287404 is 40478235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35667 + ... + 37130.

It is an arithmetic number, because the mean of its divisors is an integer number (5265722).

Almost surely, 2^53287404 is an apocalyptic number.

It is an amenable number.

53287404 is an abundant number, since it is smaller than the sum of its proper divisors (73089924).

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

53287404 is a wasteful number, since it uses less digits than its factorization.

53287404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72865 (or 72863 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 53287404 is about 7299.8221896153. The cubic root of 53287404 is about 376.3063276265.

The spelling of 53287404 in words is "fifty-three million, two hundred eighty-seven thousand, four hundred four".