55445415027 has 16 divisors (see below), whose sum is σ = 76689504000. Its totient is φ = 35589570464.

The previous prime is 55445415001. The next prime is 55445415059. The reversal of 55445415027 is 72051454455.

It is a cyclic number.

It is not a de Polignac number, because 55445415027 - 2¹² = 55445410931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55445415027.

It is not an unprimeable number, because it can be changed into a prime (55445415827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856377 + ... + 918842.

It is an arithmetic number, because the mean of its divisors is an integer number (4793094000).

Almost surely, 2^55445415027 is an apocalyptic number.

55445415027 is a deficient number, since it is larger than the sum of its proper divisors (21244088973).

55445415027 is a wasteful number, since it uses less digits than its factorization.

55445415027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775610.

The product of its (nonzero) digits is 560000, while the sum is 42.

The spelling of 55445415027 in words is "fifty-five billion, four hundred forty-five million, four hundred fifteen thousand, twenty-seven".