51026242 has 16 divisors (see below), whose sum is σ = 78019200. Its totient is φ = 25024432.

The previous prime is 51026237. The next prime is 51026249. The reversal of 51026242 is 24262015.

It is not an unprimeable number, because it can be changed into a prime (51026249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23703 + ... + 25765.

It is an arithmetic number, because the mean of its divisors is an integer number (4876200).

Almost surely, 2^51026242 is an apocalyptic number.

51026242 is a deficient number, since it is larger than the sum of its proper divisors (26992958).

51026242 is a wasteful number, since it uses less digits than its factorization.

51026242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 51026242 is about 7143.2654997557. The cubic root of 51026242 is about 370.9065716504.

Adding to 51026242 its reverse (24262015), we get a palindrome (75288257).

The spelling of 51026242 in words is "fifty-one million, twenty-six thousand, two hundred forty-two".