51517030602 has 16 divisors (see below), whose sum is σ = 103321068480. Its totient is φ = 17124508992.

The previous prime is 51517030601. The next prime is 51517030603. The reversal of 51517030602 is 20603071515.

It is an interprime number because it is at equal distance from previous prime (51517030601) and next prime (51517030603).

It is a self number, because there is not a number n which added to its sum of digits gives 51517030602.

It is not an unprimeable number, because it can be changed into a prime (51517030601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11956303 + ... + 11960610.

It is an arithmetic number, because the mean of its divisors is an integer number (6457566780).

Almost surely, 2^51517030602 is an apocalyptic number.

51517030602 is an abundant number, since it is smaller than the sum of its proper divisors (51804037878).

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

51517030602 is a wasteful number, since it uses less digits than its factorization.

51517030602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23917277.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 51517030602 in words is "fifty-one billion, five hundred seventeen million, thirty thousand, six hundred two".