55655822977 has 8 divisors (see below), whose sum is σ = 57036913920. Its totient is φ = 54275857440.

The previous prime is 55655822953. The next prime is 55655823007. The reversal of 55655822977 is 77922855655.

55655822977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55655822977 - 2¹⁵ = 55655790209 is a prime.

It is a super-2 number, since 2×55655822977² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55655802977) 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, 180777 + ... + 379462.

It is an arithmetic number, because the mean of its divisors is an integer number (7129614240).

Almost surely, 2^55655822977 is an apocalyptic number.

It is an amenable number.

55655822977 is a deficient number, since it is larger than the sum of its proper divisors (1381090943).

55655822977 is a wasteful number, since it uses less digits than its factorization.

55655822977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562703.

The product of its digits is 52920000, while the sum is 61.

The spelling of 55655822977 in words is "fifty-five billion, six hundred fifty-five million, eight hundred twenty-two thousand, nine hundred seventy-seven".