51026042 has 8 divisors (see below), whose sum is σ = 76722132. Its totient is φ = 25452000.

The previous prime is 51026033. The next prime is 51026083. The reversal of 51026042 is 24062015.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50822641 + 203401 = 7129^2 + 451^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29459 + ... + 31142.

Almost surely, 2^51026042 is an apocalyptic number.

51026042 is a deficient number, since it is larger than the sum of its proper divisors (25696090).

51026042 is a wasteful number, since it uses less digits than its factorization.

51026042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61024.

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

The square root of 51026042 is about 7143.2515005423. The cubic root of 51026042 is about 370.9060870539.

Adding to 51026042 its reverse (24062015), we get a palindrome (75088057).

The spelling of 51026042 in words is "fifty-one million, twenty-six thousand, forty-two".