51772802534 has 8 divisors (see below), whose sum is σ = 77664770568. Its totient is φ = 25884545680.

The previous prime is 51772802531. The next prime is 51772802567. The reversal of 51772802534 is 43520827715.

51772802534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51772802531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892652 + ... + 948879.

It is an arithmetic number, because the mean of its divisors is an integer number (9708096321).

Almost surely, 2^51772802534 is an apocalyptic number.

51772802534 is a deficient number, since it is larger than the sum of its proper divisors (25891968034).

51772802534 is a wasteful number, since it uses less digits than its factorization.

51772802534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855590.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 51772802534 in words is "fifty-one billion, seven hundred seventy-two million, eight hundred two thousand, five hundred thirty-four".