51420513202 has 8 divisors (see below), whose sum is σ = 77136612912. Its totient is φ = 25708308900.

The previous prime is 51420513197. The next prime is 51420513211. The reversal of 51420513202 is 20231502415.

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, 940624 + ... + 993787.

It is an arithmetic number, because the mean of its divisors is an integer number (9642076614).

Almost surely, 2^51420513202 is an apocalyptic number.

51420513202 is a deficient number, since it is larger than the sum of its proper divisors (25716099710).

51420513202 is a wasteful number, since it uses less digits than its factorization.

51420513202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947704.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 51420513202 in words is "fifty-one billion, four hundred twenty million, five hundred thirteen thousand, two hundred two".