53431004 has 24 divisors (see below), whose sum is σ = 102200448. Its totient is φ = 24240240.

The previous prime is 53430991. The next prime is 53431009. The reversal of 53431004 is 40013435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53431009) 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, 33857 + ... + 35399.

It is an arithmetic number, because the mean of its divisors is an integer number (4258352).

Almost surely, 2^53431004 is an apocalyptic number.

It is an amenable number.

53431004 is a deficient number, since it is larger than the sum of its proper divisors (48769444).

53431004 is a wasteful number, since it uses less digits than its factorization.

53431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53431004 is about 7309.6514280778. The cubic root of 53431004 is about 376.6440504690.

Adding to 53431004 its reverse (40013435), we get a palindrome (93444439).

Subtracting from 53431004 its reverse (40013435), we obtain a square (13417569 = 3663²).

The spelling of 53431004 in words is "fifty-three million, four hundred thirty-one thousand, four".