51343259542770 has 128 divisors (see below), whose sum is σ = 143159719417344. Its totient is φ = 11670476673024.

The previous prime is 51343259542733. The next prime is 51343259542789. The reversal of 51343259542770 is 7724595234315.

It is a happy number.

It is a super-2 number, since 2×51343259542770² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51343259542770.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72705982 + ... + 73408761.

It is an arithmetic number, because the mean of its divisors is an integer number (1118435307948).

Almost surely, 2^{51343259542770} is an apocalyptic number.

51343259542770 is an abundant number, since it is smaller than the sum of its proper divisors (91816459874574).

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

51343259542770 is a wasteful number, since it uses less digits than its factorization.

51343259542770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146114836.

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 51343259542770 in words is "fifty-one trillion, three hundred forty-three billion, two hundred fifty-nine million, five hundred forty-two thousand, seven hundred seventy".