51554225045 has 8 divisors (see below), whose sum is σ = 61867687896. Its totient is φ = 41241634816.

The previous prime is 51554225039. The next prime is 51554225083. The reversal of 51554225045 is 54052245515.

It can be written as a sum of positive squares in 4 ways, for example, as 8724680836 + 42829544209 = 93406^2 + 206953^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51554225045 - 2¹⁶ = 51554159509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80252 + ... + 330981.

It is an arithmetic number, because the mean of its divisors is an integer number (7733460987).

Almost surely, 2^51554225045 is an apocalyptic number.

It is an amenable number.

51554225045 is a deficient number, since it is larger than the sum of its proper divisors (10313462851).

51554225045 is a wasteful number, since it uses less digits than its factorization.

51554225045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436311.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 51554225045 in words is "fifty-one billion, five hundred fifty-four million, two hundred twenty-five thousand, forty-five".