51024642 has 16 divisors (see below), whose sum is σ = 102140352. Its totient is φ = 16993040.

The previous prime is 51024613. The next prime is 51024683. The reversal of 51024642 is 24642015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5092 + ... + 11312.

It is an arithmetic number, because the mean of its divisors is an integer number (6383772).

Almost surely, 2^51024642 is an apocalyptic number.

51024642 is an abundant number, since it is smaller than the sum of its proper divisors (51115710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51024642 is a wasteful number, since it uses less digits than its factorization.

51024642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 51024642 is about 7143.1535052804. The cubic root of 51024642 is about 370.9026948431.

Adding to 51024642 its reverse (24642015), we get a palindrome (75666657).

It can be divided in two parts, 510 and 24642, that added together give a palindrome (25152).

The spelling of 51024642 in words is "fifty-one million, twenty-four thousand, six hundred forty-two".