55554550499 has 8 divisors (see below), whose sum is σ = 63663917568. Its totient is φ = 47488434120.

The previous prime is 55554550477. The next prime is 55554550507. The reversal of 55554550499 is 99405545555.

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 55554550499 - 2²⁴ = 55537773283 is a prime.

It is a super-2 number, since 2×55554550499² (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 (55554550409) 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, 10809917 + ... + 10815054.

It is an arithmetic number, because the mean of its divisors is an integer number (7957989696).

Almost surely, 2^55554550499 is an apocalyptic number.

55554550499 is a deficient number, since it is larger than the sum of its proper divisors (8109367069).

55554550499 is a wasteful number, since it uses less digits than its factorization.

55554550499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21625345.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 55554550499 in words is "fifty-five billion, five hundred fifty-four million, five hundred fifty thousand, four hundred ninety-nine".