51026453 has 4 divisors (see below), whose sum is σ = 51052428. Its totient is φ = 51000480.

The previous prime is 51026429. The next prime is 51026477. The reversal of 51026453 is 35462015.

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

It is an interprime number because it is at equal distance from previous prime (51026429) and next prime (51026477).

It can be written as a sum of positive squares in 2 ways, for example, as 47018449 + 4008004 = 6857^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 51026453 - 2⁶ = 51026389 is a prime.

It is a super-2 number, since 2×51026453² = 5207397811522418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51026953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9776 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (12763107).

Almost surely, 2^51026453 is an apocalyptic number.

It is an amenable number.

51026453 is a deficient number, since it is larger than the sum of its proper divisors (25975).

51026453 is a wasteful number, since it uses less digits than its factorization.

51026453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25974.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 51026453 is about 7143.2802688961. The cubic root of 51026453 is about 370.9070828983.

Adding to 51026453 its reverse (35462015), we get a palindrome (86488468).

The spelling of 51026453 in words is "fifty-one million, twenty-six thousand, four hundred fifty-three".