5406444551 has 8 divisors (see below), whose sum is σ = 5553703344. Its totient is φ = 5259245760.

The previous prime is 5406444529. The next prime is 5406444577. The reversal of 5406444551 is 1554446045.

It is a happy number.

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 5406444551 - 2⁶ = 5406444487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5406443551) 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, 214931 + ... + 238763.

It is an arithmetic number, because the mean of its divisors is an integer number (694212918).

Almost surely, 2^5406444551 is an apocalyptic number.

5406444551 is a deficient number, since it is larger than the sum of its proper divisors (147258793).

5406444551 is a wasteful number, since it uses less digits than its factorization.

5406444551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30001.

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 5406444551 is about 73528.5288238518. The cubic root of 5406444551 is about 1755.1082907072.

The spelling of 5406444551 in words is "five billion, four hundred six million, four hundred forty-four thousand, five hundred fifty-one".