51057015210 has 96 divisors (see below), whose sum is σ = 137153907072. Its totient is φ = 13167757440.

The previous prime is 51057015197. The next prime is 51057015223. The reversal of 51057015210 is 1251075015.

It is an interprime number because it is at equal distance from previous prime (51057015197) and next prime (51057015223).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 510205 + ... + 602015.

It is an arithmetic number, because the mean of its divisors is an integer number (1428686532).

Almost surely, 2^51057015210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51057015210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68576953536).

51057015210 is an abundant number, since it is smaller than the sum of its proper divisors (86096891862).

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

51057015210 is a wasteful number, since it uses less digits than its factorization.

51057015210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92028 (or 92025 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The spelling of 51057015210 in words is "fifty-one billion, fifty-seven million, fifteen thousand, two hundred ten".