5126812553 has 4 divisors (see below), whose sum is σ = 5428389780. Its totient is φ = 4825235328.

The previous prime is 5126812501. The next prime is 5126812567. The reversal of 5126812553 is 3552186215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3552186215 = 5 ⋅710437243.

It can be written as a sum of positive squares in 2 ways, for example, as 1609373689 + 3517438864 = 40117^2 + 59308^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126812553 - 2¹⁸ = 5126550409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5126812583) 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, 150788588 + ... + 150788621.

It is an arithmetic number, because the mean of its divisors is an integer number (1357097445).

Almost surely, 2^5126812553 is an apocalyptic number.

It is an amenable number.

5126812553 is a deficient number, since it is larger than the sum of its proper divisors (301577227).

5126812553 is a wasteful number, since it uses less digits than its factorization.

5126812553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301577226.

The product of its digits is 72000, while the sum is 38.

The square root of 5126812553 is about 71601.7636165479. The cubic root of 5126812553 is about 1724.3118507549.

Adding to 5126812553 its reverse (3552186215), we get a palindrome (8678998768).

The spelling of 5126812553 in words is "five billion, one hundred twenty-six million, eight hundred twelve thousand, five hundred fifty-three".