51520450035 has 16 divisors (see below), whose sum is σ = 82449596160. Its totient is φ = 27471948000.

The previous prime is 51520449977. The next prime is 51520450061. The reversal of 51520450035 is 53005402515.

It is a happy number.

It is not a de Polignac number, because 51520450035 - 2⁶ = 51520449971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51520449984 and 51520450011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275341 + ... + 422910.

It is an arithmetic number, because the mean of its divisors is an integer number (5153099760).

Almost surely, 2^51520450035 is an apocalyptic number.

51520450035 is a deficient number, since it is larger than the sum of its proper divisors (30929146125).

51520450035 is a wasteful number, since it uses less digits than its factorization.

51520450035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703178.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 51520450035 in words is "fifty-one billion, five hundred twenty million, four hundred fifty thousand, thirty-five".