51435005042 has 8 divisors (see below), whose sum is σ = 77160846576. Its totient is φ = 25714722852.

The previous prime is 51435005021. The next prime is 51435005047. The reversal of 51435005042 is 24050053415.

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

It is a junction number, because it is equal to n+sod(n) for n = 51435004996 and 51435005014.

It is not an unprimeable number, because it can be changed into a prime (51435005047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366628 + ... + 1403759.

It is an arithmetic number, because the mean of its divisors is an integer number (9645105822).

Almost surely, 2^51435005042 is an apocalyptic number.

51435005042 is a deficient number, since it is larger than the sum of its proper divisors (25725841534).

51435005042 is a wasteful number, since it uses less digits than its factorization.

51435005042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779672.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 51435005042 its reverse (24050053415), we get a palindrome (75485058457).

The spelling of 51435005042 in words is "fifty-one billion, four hundred thirty-five million, five thousand, forty-two".