55055500051 has 8 divisors (see below), whose sum is σ = 57295012320. Its totient is φ = 52838724288.

The previous prime is 55055500033. The next prime is 55055500057. The reversal of 55055500051 is 15000555055.

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 55055500051 - 2¹³ = 55055491859 is a prime.

It is a super-2 number, since 2×55055500051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055499986 and 55055500022.

It is not an unprimeable number, because it can be changed into a prime (55055500057) 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, 5679186 + ... + 5688871.

It is an arithmetic number, because the mean of its divisors is an integer number (7161876540).

Almost surely, 2^55055500051 is an apocalyptic number.

55055500051 is a deficient number, since it is larger than the sum of its proper divisors (2239512269).

55055500051 is a wasteful number, since it uses less digits than its factorization.

55055500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368253.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55055500051 in words is "fifty-five billion, fifty-five million, five hundred thousand, fifty-one".