51824852906 has 8 divisors (see below), whose sum is σ = 77916812484. Its totient is φ = 25852582080.

The previous prime is 51824852899. The next prime is 51824852917. The reversal of 51824852906 is 60925842815.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43432644025 + 8392208881 = 208405^2 + 91609^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29921105 + ... + 29922836.

Almost surely, 2^51824852906 is an apocalyptic number.

51824852906 is a deficient number, since it is larger than the sum of its proper divisors (26091959578).

51824852906 is a wasteful number, since it uses less digits than its factorization.

51824852906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59844376.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 51824852906 in words is "fifty-one billion, eight hundred twenty-four million, eight hundred fifty-two thousand, nine hundred six".