51302045254 has 8 divisors (see below), whose sum is σ = 78405012720. Its totient is φ = 25167041016.

The previous prime is 51302045233. The next prime is 51302045309. The reversal of 51302045254 is 45254020315.

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

It is a congruent number.

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, 241990674 + ... + 241990885.

It is an arithmetic number, because the mean of its divisors is an integer number (9800626590).

Almost surely, 2^51302045254 is an apocalyptic number.

51302045254 is a deficient number, since it is larger than the sum of its proper divisors (27102967466).

51302045254 is a wasteful number, since it uses less digits than its factorization.

51302045254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483981614.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 51302045254 its reverse (45254020315), we get a palindrome (96556065569).

The spelling of 51302045254 in words is "fifty-one billion, three hundred two million, forty-five thousand, two hundred fifty-four".