55800051 has 8 divisors (see below), whose sum is σ = 74502144. Its totient is φ = 37149000.

The previous prime is 55800049. The next prime is 55800071. The reversal of 55800051 is 15000855.

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

It is not a de Polignac number, because 55800051 - 2¹ = 55800049 is a prime.

It is a super-2 number, since 2×55800051² = 6227291383205202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55799994 and 55800030.

It is not an unprimeable number, because it can be changed into a prime (55800011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10131 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (9312768).

Almost surely, 2^55800051 is an apocalyptic number.

55800051 is a deficient number, since it is larger than the sum of its proper divisors (18702093).

55800051 is a wasteful number, since it uses less digits than its factorization.

55800051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25521.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 55800051 is about 7469.9431724746. The cubic root of 55800051 is about 382.1303498762.

The spelling of 55800051 in words is "fifty-five million, eight hundred thousand, fifty-one".