51468423 has 4 divisors (see below), whose sum is σ = 68624568. Its totient is φ = 34312280.

The previous prime is 51468419. The next prime is 51468427. The reversal of 51468423 is 32486415.

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 (51468419) and next prime (51468427).

It is a cyclic number.

It is not a de Polignac number, because 51468423 - 2² = 51468419 is a prime.

It is a super-2 number, since 2×51468423² = 5297997132213858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51468427) 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, 8578068 + ... + 8578073.

It is an arithmetic number, because the mean of its divisors is an integer number (17156142).

Almost surely, 2^51468423 is an apocalyptic number.

51468423 is a deficient number, since it is larger than the sum of its proper divisors (17156145).

51468423 is a wasteful number, since it uses less digits than its factorization.

51468423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156144.

The product of its digits is 23040, while the sum is 33.

The square root of 51468423 is about 7174.1496360196. The cubic root of 51468423 is about 371.9748870202.

The spelling of 51468423 in words is "fifty-one million, four hundred sixty-eight thousand, four hundred twenty-three".