53131004 has 12 divisors (see below), whose sum is σ = 94289328. Its totient is φ = 26191200.

The previous prime is 53131003. The next prime is 53131019. The reversal of 53131004 is 40013135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53131003) 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, 93257 + ... + 93824.

It is an arithmetic number, because the mean of its divisors is an integer number (7857444).

Almost surely, 2^53131004 is an apocalyptic number.

It is an amenable number.

53131004 is a deficient number, since it is larger than the sum of its proper divisors (41158324).

53131004 is a wasteful number, since it uses less digits than its factorization.

53131004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187156 (or 187154 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53131004 is about 7289.1017279223. The cubic root of 53131004 is about 375.9378103724.

Adding to 53131004 its reverse (40013135), we get a palindrome (93144139).

The spelling of 53131004 in words is "fifty-three million, one hundred thirty-one thousand, four".