51224657275 has 36 divisors (see below), whose sum is σ = 71303623776. Its totient is φ = 36461550400.

The previous prime is 51224657273. The next prime is 51224657311. The reversal of 51224657275 is 57275642215.

It is not a de Polignac number, because 51224657275 - 2¹ = 51224657273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51224657273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37972 + ... + 322321.

It is an arithmetic number, because the mean of its divisors is an integer number (1980656216).

Almost surely, 2^51224657275 is an apocalyptic number.

51224657275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51224657275 is a deficient number, since it is larger than the sum of its proper divisors (20078966501).

51224657275 is a wasteful number, since it uses less digits than its factorization.

51224657275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360372 (or 360356 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 46.

The spelling of 51224657275 in words is "fifty-one billion, two hundred twenty-four million, six hundred fifty-seven thousand, two hundred seventy-five".