53126404 has 12 divisors (see below), whose sum is σ = 93892428. Its totient is φ = 26300000.

The previous prime is 53126401. The next prime is 53126449. The reversal of 53126404 is 40462135.

It can be written as a sum of positive squares in 2 ways, for example, as 48330304 + 4796100 = 6952^2 + 2190^2 .

It is not an unprimeable number, because it can be changed into a prime (53126401) 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, 65347 + ... + 66154.

It is an arithmetic number, because the mean of its divisors is an integer number (7824369).

Almost surely, 2^53126404 is an apocalyptic number.

It is an amenable number.

53126404 is a deficient number, since it is larger than the sum of its proper divisors (40766024).

53126404 is a wasteful number, since it uses less digits than its factorization.

53126404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131606 (or 131604 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53126404 is about 7288.7861815257. The cubic root of 53126404 is about 375.9269606883.

Adding to 53126404 its reverse (40462135), we get a palindrome (93588539).

The spelling of 53126404 in words is "fifty-three million, one hundred twenty-six thousand, four hundred four".