5515755401 has 8 divisors (see below), whose sum is σ = 5954862984. Its totient is φ = 5078764800.

The previous prime is 5515755397. The next prime is 5515755403. The reversal of 5515755401 is 1045575155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 874739776 + 4641015625 = 29576^2 + 68125^2 .

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 5515755401 - 2² = 5515755397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5515755403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523826 + ... + 534251.

It is an arithmetic number, because the mean of its divisors is an integer number (744357873).

Almost surely, 2^5515755401 is an apocalyptic number.

It is an amenable number.

5515755401 is a deficient number, since it is larger than the sum of its proper divisors (439107583).

5515755401 is a wasteful number, since it uses less digits than its factorization.

5515755401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058491.

The product of its (nonzero) digits is 87500, while the sum is 38.

The square root of 5515755401 is about 74268.1317995814. The cubic root of 5515755401 is about 1766.8580775440.

The spelling of 5515755401 in words is "five billion, five hundred fifteen million, seven hundred fifty-five thousand, four hundred one".