53425040404 has 6 divisors (see below), whose sum is σ = 93493820714. Its totient is φ = 26712520200.

The previous prime is 53425040399. The next prime is 53425040411. The reversal of 53425040404 is 40404052435.

It can be written as a sum of positive squares in only one way, i.e., 37443024004 + 15982016400 = 193502^2 + 126420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6678130047 + ... + 6678130054.

Almost surely, 2^53425040404 is an apocalyptic number.

It is an amenable number.

53425040404 is a deficient number, since it is larger than the sum of its proper divisors (40068780310).

53425040404 is a wasteful number, since it uses less digits than its factorization.

53425040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13356260105 (or 13356260103 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 53425040404 its reverse (40404052435), we get a palindrome (93829092839).

The spelling of 53425040404 in words is "fifty-three billion, four hundred twenty-five million, forty thousand, four hundred four".