55555280252775 has 24 divisors (see below), whose sum is σ = 102057107428560. Its totient is φ = 29629482801120.

The previous prime is 55555280252767. The next prime is 55555280252779. The reversal of 55555280252775 is 57725208255555.

55555280252775 is a `hidden beast` number, since 5 + 5 + 5 + 552 + 8 + 0 + 2 + 5 + 2 + 7 + 75 = 666.

It is not a de Polignac number, because 55555280252775 - 2³ = 55555280252767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555280252779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41152058772 + ... + 41152060121.

It is an arithmetic number, because the mean of its divisors is an integer number (4252379476190).

Almost surely, 2^{55555280252775} is an apocalyptic number.

55555280252775 is a deficient number, since it is larger than the sum of its proper divisors (46501827175785).

55555280252775 is a wasteful number, since it uses less digits than its factorization.

55555280252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82304118912 (or 82304118901 counting only the distinct ones).

The product of its (nonzero) digits is 245000000, while the sum is 63.

The spelling of 55555280252775 in words is "fifty-five trillion, five hundred fifty-five billion, two hundred eighty million, two hundred fifty-two thousand, seven hundred seventy-five".