551461001 has 24 divisors (see below), whose sum is σ = 688129344. Its totient is φ = 430354080.

The previous prime is 551460991. The next prime is 551461003. The reversal of 551461001 is 100164155.

It is not a de Polignac number, because 551461001 - 2²² = 547266697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551461003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 567446 + ... + 568416.

It is an arithmetic number, because the mean of its divisors is an integer number (28672056).

Almost surely, 2^551461001 is an apocalyptic number.

It is an amenable number.

551461001 is a deficient number, since it is larger than the sum of its proper divisors (136668343).

551461001 is an equidigital number, since it uses as much as digits as its factorization.

551461001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 551461001 is about 23483.2067869786. The cubic root of 551461001 is about 820.0461014136.

The spelling of 551461001 in words is "five hundred fifty-one million, four hundred sixty-one thousand, one".