51023453 has 8 divisors (see below), whose sum is σ = 57337728. Its totient is φ = 45050544.

The previous prime is 51023449. The next prime is 51023491. The reversal of 51023453 is 35432015.

51023453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51023453 - 2² = 51023449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85025 + ... + 85622.

It is an arithmetic number, because the mean of its divisors is an integer number (7167216).

Almost surely, 2^51023453 is an apocalyptic number.

It is an amenable number.

51023453 is a deficient number, since it is larger than the sum of its proper divisors (6314275).

51023453 is a wasteful number, since it uses less digits than its factorization.

51023453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170683.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51023453 is about 7143.0702782487. The cubic root of 51023453 is about 370.8998138382.

Adding to 51023453 its reverse (35432015), we get a palindrome (86455468).

The spelling of 51023453 in words is "fifty-one million, twenty-three thousand, four hundred fifty-three".