51370321052 has 24 divisors (see below), whose sum is σ = 94937821440. Its totient is φ = 24254037360.

The previous prime is 51370320983. The next prime is 51370321087. The reversal of 51370321052 is 25012307315.

It is a congruent number.

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, 1077524 + ... + 1124187.

It is an arithmetic number, because the mean of its divisors is an integer number (3955742560).

Almost surely, 2^51370321052 is an apocalyptic number.

It is an amenable number.

51370321052 is a deficient number, since it is larger than the sum of its proper divisors (43567500388).

51370321052 is a wasteful number, since it uses less digits than its factorization.

51370321052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202041 (or 2202039 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

Adding to 51370321052 its reverse (25012307315), we get a palindrome (76382628367).

The spelling of 51370321052 in words is "fifty-one billion, three hundred seventy million, three hundred twenty-one thousand, fifty-two".