551354461 has 4 divisors (see below), whose sum is σ = 630119392. Its totient is φ = 472589532.

The previous prime is 551354431. The next prime is 551354477. The reversal of 551354461 is 164453155.

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 a cyclic number.

It is not a de Polignac number, because 551354461 - 2⁷ = 551354333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551354431) 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, 39382455 + ... + 39382468.

It is an arithmetic number, because the mean of its divisors is an integer number (157529848).

Almost surely, 2^551354461 is an apocalyptic number.

It is an amenable number.

551354461 is a deficient number, since it is larger than the sum of its proper divisors (78764931).

551354461 is an equidigital number, since it uses as much as digits as its factorization.

551354461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78764930.

The product of its digits is 36000, while the sum is 34.

The square root of 551354461 is about 23480.9382478639. The cubic root of 551354461 is about 819.9932881664.

The spelling of 551354461 in words is "five hundred fifty-one million, three hundred fifty-four thousand, four hundred sixty-one".