5545509951 has 8 divisors (see below), whose sum is σ = 7399624320. Its totient is φ = 3694201112.

The previous prime is 5545509919. The next prime is 5545509953. The reversal of 5545509951 is 1599055455.

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 5545509951 - 2⁵ = 5545509919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5545509951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545509953) 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, 696765 + ... + 704678.

It is an arithmetic number, because the mean of its divisors is an integer number (924953040).

Almost surely, 2^5545509951 is an apocalyptic number.

5545509951 is a deficient number, since it is larger than the sum of its proper divisors (1854114369).

5545509951 is a wasteful number, since it uses less digits than its factorization.

5545509951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402765.

The product of its (nonzero) digits is 1012500, while the sum is 48.

The square root of 5545509951 is about 74468.1807955586. The cubic root of 5545509951 is about 1770.0294664570.

The spelling of 5545509951 in words is "five billion, five hundred forty-five million, five hundred nine thousand, nine hundred fifty-one".