51442310 has 16 divisors (see below), whose sum is σ = 97470000. Its totient is φ = 19493856.

The previous prime is 51442271. The next prime is 51442327. The reversal of 51442310 is 1324415.

It is a super-2 number, since 2×51442310² = 5292622516272200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 135185 + ... + 135564.

It is an arithmetic number, because the mean of its divisors is an integer number (6091875).

Almost surely, 2^51442310 is an apocalyptic number.

51442310 is a deficient number, since it is larger than the sum of its proper divisors (46027690).

51442310 is a wasteful number, since it uses less digits than its factorization.

51442310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270775.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51442310 is about 7172.3294681714. The cubic root of 51442310 is about 371.9119680312.

Adding to 51442310 its reverse (1324415), we get a palindrome (52766725).

It can be divided in two parts, 514 and 42310, that added together give a palindrome (42824).

The spelling of 51442310 in words is "fifty-one million, four hundred forty-two thousand, three hundred ten".