55550550863247 has 32 divisors (see below), whose sum is σ = 80955853387776. Its totient is φ = 33602435395200.

The previous prime is 55550550863233. The next prime is 55550550863257. The reversal of 55550550863247 is 74236805505555.

It is not a de Polignac number, because 55550550863247 - 2⁸ = 55550550862991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550550863257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55335993 + ... + 56330925.

It is an arithmetic number, because the mean of its divisors is an integer number (2529870418368).

Almost surely, 2^{55550550863247} is an apocalyptic number.

55550550863247 is a deficient number, since it is larger than the sum of its proper divisors (25405302524529).

55550550863247 is a wasteful number, since it uses less digits than its factorization.

55550550863247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998191.

The product of its (nonzero) digits is 126000000, while the sum is 60.

The spelling of 55550550863247 in words is "fifty-five trillion, five hundred fifty billion, five hundred fifty million, eight hundred sixty-three thousand, two hundred forty-seven".