554550401 has 8 divisors (see below), whose sum is σ = 578897280. Its totient is φ = 530223232.

The previous prime is 554550391. The next prime is 554550419. The reversal of 554550401 is 104055455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-554550401 is a prime.

It is a super-2 number, since 2×554550401² = 615052294498521602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554550481) 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, 105041 + ... + 110193.

It is an arithmetic number, because the mean of its divisors is an integer number (72362160).

Almost surely, 2^554550401 is an apocalyptic number.

It is an amenable number.

554550401 is a deficient number, since it is larger than the sum of its proper divisors (24346879).

554550401 is a wasteful number, since it uses less digits than its factorization.

554550401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9855.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 554550401 is about 23548.8938381403. The cubic root of 554550401 is about 821.5746072780.

The spelling of 554550401 in words is "five hundred fifty-four million, five hundred fifty thousand, four hundred one".