51897580734 has 16 divisors (see below), whose sum is σ = 104240637072. Its totient is φ = 17224947648.

The previous prime is 51897580727. The next prime is 51897580741. The reversal of 51897580734 is 43708579815.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51897580727) and next prime (51897580741).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18559969 + ... + 18562764.

It is an arithmetic number, because the mean of its divisors is an integer number (6515039817).

Almost surely, 2^51897580734 is an apocalyptic number.

51897580734 is an abundant number, since it is smaller than the sum of its proper divisors (52343056338).

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

51897580734 is a wasteful number, since it uses less digits than its factorization.

51897580734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37122971.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 51897580734 in words is "fifty-one billion, eight hundred ninety-seven million, five hundred eighty thousand, seven hundred thirty-four".