51056055550055 has 8 divisors (see below), whose sum is σ = 61267321096800. Its totient is φ = 40844808148896.

The previous prime is 51056055550039. The next prime is 51056055550061. The reversal of 51056055550055 is 55005555065015.

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 51056055550055 - 2⁴ = 51056055550039 is a prime.

It is a super-2 number, since 2×51056055550055² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51056055549991 and 51056055550009.

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, 2704406 + ... + 10460684.

It is an arithmetic number, because the mean of its divisors is an integer number (7658415137100).

Almost surely, 2^{51056055550055} is an apocalyptic number.

51056055550055 is a deficient number, since it is larger than the sum of its proper divisors (10211265546745).

51056055550055 is a wasteful number, since it uses less digits than its factorization.

51056055550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072793.

The product of its (nonzero) digits is 2343750, while the sum is 47.

The spelling of 51056055550055 in words is "fifty-one trillion, fifty-six billion, fifty-five million, five hundred fifty thousand, fifty-five".