5551501601 has 8 divisors (see below), whose sum is σ = 5588475744. Its totient is φ = 5514612480.

The previous prime is 5551501583. The next prime is 5551501609. The reversal of 5551501601 is 1061051555.

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 5551501601 - 2⁶ = 5551501537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551501609) 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, 112550 + ... + 154176.

It is an arithmetic number, because the mean of its divisors is an integer number (698559468).

Almost surely, 2^5551501601 is an apocalyptic number.

It is an amenable number.

5551501601 is a deficient number, since it is larger than the sum of its proper divisors (36974143).

5551501601 is a wasteful number, since it uses less digits than its factorization.

5551501601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42511.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 5551501601 is about 74508.3995332070. The cubic root of 5551501601 is about 1770.6667135212. Note that the first 3 decimals are identical.

The spelling of 5551501601 in words is "five billion, five hundred fifty-one million, five hundred one thousand, six hundred one".