551054401001 has 12 divisors (see below), whose sum is σ = 596766206160. Its totient is φ = 508612469040.

The previous prime is 551054400979. The next prime is 551054401043. The reversal of 551054401001 is 100104450155.

551054401001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551054401001 - 2²⁶ = 550987292137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551054401201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500806 + ... + 1831536.

It is an arithmetic number, because the mean of its divisors is an integer number (49730517180).

Almost surely, 2^551054401001 is an apocalyptic number.

It is an amenable number.

551054401001 is a deficient number, since it is larger than the sum of its proper divisors (45711805159).

551054401001 is a wasteful number, since it uses less digits than its factorization.

551054401001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340616 (or 340603 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 551054401001 its reverse (100104450155), we get a palindrome (651158851156).

The spelling of 551054401001 in words is "five hundred fifty-one billion, fifty-four million, four hundred one thousand, one".