5544251651 has 4 divisors (see below), whose sum is σ = 5546339400. Its totient is φ = 5542163904.

The previous prime is 5544251641. The next prime is 5544251663. The reversal of 5544251651 is 1561524455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5544251651 - 2¹⁴ = 5544235267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5544251611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039886 + ... + 1045203.

It is an arithmetic number, because the mean of its divisors is an integer number (1386584850).

Almost surely, 2^5544251651 is an apocalyptic number.

5544251651 is a deficient number, since it is larger than the sum of its proper divisors (2087749).

5544251651 is a wasteful number, since it uses less digits than its factorization.

5544251651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087748.

The product of its digits is 120000, while the sum is 38.

The square root of 5544251651 is about 74459.7317413916. The cubic root of 5544251651 is about 1769.8955805701.

The spelling of 5544251651 in words is "five billion, five hundred forty-four million, two hundred fifty-one thousand, six hundred fifty-one".