51653225620634 has 24 divisors (see below), whose sum is σ = 87465513401364. Its totient is φ = 22844178403200.

The previous prime is 51653225620567. The next prime is 51653225620669. The reversal of 51653225620634 is 43602652235615.

It is a happy number.

51653225620634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40092919618609 + 11560306002025 = 6331897^2 + 3400045^2 .

It is a super-2 number, since 2×51653225620634² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2884357007 + ... + 2884374914.

Almost surely, 2^{51653225620634} is an apocalyptic number.

51653225620634 is a deficient number, since it is larger than the sum of its proper divisors (35812287780730).

51653225620634 is a wasteful number, since it uses less digits than its factorization.

51653225620634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768731982 (or 5768731971 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 51653225620634 in words is "fifty-one trillion, six hundred fifty-three billion, two hundred twenty-five million, six hundred twenty thousand, six hundred thirty-four".