51552343634 has 16 divisors (see below), whose sum is σ = 89320638816. Its totient is φ = 22054478400.

The previous prime is 51552343529. The next prime is 51552343639. The reversal of 51552343634 is 43634325515.

It is a junction number, because it is equal to n+sod(n) for n = 51552343591 and 51552343600.

It is not an unprimeable number, because it can be changed into a prime (51552343639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68919872 + ... + 68920619.

It is an arithmetic number, because the mean of its divisors is an integer number (5582539926).

Almost surely, 2^51552343634 is an apocalyptic number.

51552343634 is a deficient number, since it is larger than the sum of its proper divisors (37768295182).

51552343634 is a wasteful number, since it uses less digits than its factorization.

51552343634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137840521.

The product of its digits is 648000, while the sum is 41.

The spelling of 51552343634 in words is "fifty-one billion, five hundred fifty-two million, three hundred forty-three thousand, six hundred thirty-four".