51433450215 has 64 divisors (see below), whose sum is σ = 96666670080. Its totient is φ = 22866877440.

The previous prime is 51433450171. The next prime is 51433450223. The reversal of 51433450215 is 51205433415.

It is not a de Polignac number, because 51433450215 - 2¹⁰ = 51433449191 is a prime.

It is a congruent number.

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, 524932 + ... + 615158.

It is an arithmetic number, because the mean of its divisors is an integer number (1510416720).

Almost surely, 2^51433450215 is an apocalyptic number.

51433450215 is a deficient number, since it is larger than the sum of its proper divisors (45233219865).

51433450215 is a wasteful number, since it uses less digits than its factorization.

51433450215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90392.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 51433450215 in words is "fifty-one billion, four hundred thirty-three million, four hundred fifty thousand, two hundred fifteen".