53249404 has 24 divisors (see below), whose sum is σ = 101133648. Its totient is φ = 24385920.

The previous prime is 53249387. The next prime is 53249429. The reversal of 53249404 is 40494235.

It is a happy number.

53249404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2904 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (4213902).

Almost surely, 2^53249404 is an apocalyptic number.

It is an amenable number.

53249404 is a deficient number, since it is larger than the sum of its proper divisors (47884244).

53249404 is a wasteful number, since it uses less digits than its factorization.

53249404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 53249404 is about 7297.2189223018. The cubic root of 53249404 is about 376.2168565707.

The spelling of 53249404 in words is "fifty-three million, two hundred forty-nine thousand, four hundred four".