55776651201 has 12 divisors (see below), whose sum is σ = 80568633600. Its totient is φ = 37183345080.

The previous prime is 55776651197. The next prime is 55776651233. The reversal of 55776651201 is 10215667755.

55776651201 is a `hidden beast` number, since 5 + 5 + 77 + 66 + 512 + 0 + 1 = 666.

55776651201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55776651201 - 2² = 55776651197 is a prime.

It is a super-2 number, since 2×55776651201² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55776651401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342436 + ... + 478346.

It is an arithmetic number, because the mean of its divisors is an integer number (6714052800).

Almost surely, 2^55776651201 is an apocalyptic number.

It is an amenable number.

55776651201 is a deficient number, since it is larger than the sum of its proper divisors (24791982399).

55776651201 is a wasteful number, since it uses less digits than its factorization.

55776651201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181516 (or 181513 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 55776651201 in words is "fifty-five billion, seven hundred seventy-six million, six hundred fifty-one thousand, two hundred one".