55494849455 has 32 divisors (see below), whose sum is σ = 67969395648. Its totient is φ = 43490304000.

The previous prime is 55494849401. The next prime is 55494849457.

55494849455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55494849455 - 2⁶ = 55494849391 is a prime.

It is a super-2 number, since 2×55494849455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494849457) 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, 26262479 + ... + 26264591.

It is an arithmetic number, because the mean of its divisors is an integer number (2124043614).

Almost surely, 2^55494849455 is an apocalyptic number.

55494849455 is a deficient number, since it is larger than the sum of its proper divisors (12474546193).

55494849455 is a wasteful number, since it uses less digits than its factorization.

55494849455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its digits is 103680000, while the sum is 62.

The spelling of 55494849455 in words is "fifty-five billion, four hundred ninety-four million, eight hundred forty-nine thousand, four hundred fifty-five".