554040520401 has 4 divisors (see below), whose sum is σ = 738720693872. Its totient is φ = 369360346932.

The previous prime is 554040520393. The next prime is 554040520447. The reversal of 554040520401 is 104025040455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 554040520401 - 2³ = 554040520393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554040500401) 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, 92340086731 + ... + 92340086736.

It is an arithmetic number, because the mean of its divisors is an integer number (184680173468).

Almost surely, 2^554040520401 is an apocalyptic number.

It is an amenable number.

554040520401 is a deficient number, since it is larger than the sum of its proper divisors (184680173471).

554040520401 is a wasteful number, since it uses less digits than its factorization.

554040520401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184680173470.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 554040520401 its reverse (104025040455), we get a palindrome (658065560856).

The spelling of 554040520401 in words is "five hundred fifty-four billion, forty million, five hundred twenty thousand, four hundred one".