53137426 has 4 divisors (see below), whose sum is σ = 79706142. Its totient is φ = 26568712.

The previous prime is 53137421. The next prime is 53137457. The reversal of 53137426 is 62473135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37810201 + 15327225 = 6149^2 + 3915^2 .

It is not an unprimeable number, because it can be changed into a prime (53137421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13284355 + ... + 13284358.

Almost surely, 2^53137426 is an apocalyptic number.

53137426 is a deficient number, since it is larger than the sum of its proper divisors (26568716).

53137426 is a wasteful number, since it uses less digits than its factorization.

53137426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26568715.

The product of its digits is 15120, while the sum is 31.

The square root of 53137426 is about 7289.5422352847. The cubic root of 53137426 is about 375.9529564276.

The spelling of 53137426 in words is "fifty-three million, one hundred thirty-seven thousand, four hundred twenty-six".