51523500273 has 32 divisors (see below), whose sum is σ = 79141168896. Its totient is φ = 29206821888.

The previous prime is 51523500271. The next prime is 51523500283. The reversal of 51523500273 is 37200532515.

It is not a de Polignac number, because 51523500273 - 2¹ = 51523500271 is a prime.

It is a super-3 number, since 3×51523500273³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51523500271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1644765 + ... + 1675797.

It is an arithmetic number, because the mean of its divisors is an integer number (2473161528).

Almost surely, 2^51523500273 is an apocalyptic number.

It is an amenable number.

51523500273 is a deficient number, since it is larger than the sum of its proper divisors (27617668623).

51523500273 is a wasteful number, since it uses less digits than its factorization.

51523500273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31673.

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 51523500273 in words is "fifty-one billion, five hundred twenty-three million, five hundred thousand, two hundred seventy-three".