51550433926 has 8 divisors (see below), whose sum is σ = 77332753800. Its totient is φ = 25772849328.

The previous prime is 51550433923. The next prime is 51550433933. The reversal of 51550433926 is 62933405515.

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 (51550433923) 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, 1156476 + ... + 1200223.

It is an arithmetic number, because the mean of its divisors is an integer number (9666594225).

Almost surely, 2^51550433926 is an apocalyptic number.

51550433926 is a deficient number, since it is larger than the sum of its proper divisors (25782319874).

51550433926 is a wasteful number, since it uses less digits than its factorization.

51550433926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367638.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 51550433926 in words is "fifty-one billion, five hundred fifty million, four hundred thirty-three thousand, nine hundred twenty-six".