551102473 has 4 divisors (see below), whose sum is σ = 551205648. Its totient is φ = 550999300.

The previous prime is 551102449. The next prime is 551102501. The reversal of 551102473 is 374201155.

It is a happy number.

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 551102473 - 2⁹ = 551101961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551102173) 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, 43111 + ... + 54412.

It is an arithmetic number, because the mean of its divisors is an integer number (137801412).

Almost surely, 2^551102473 is an apocalyptic number.

It is an amenable number.

551102473 is a deficient number, since it is larger than the sum of its proper divisors (103175).

551102473 is an equidigital number, since it uses as much as digits as its factorization.

551102473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103174.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 551102473 is about 23475.5718354208. The cubic root of 551102473 is about 819.8683473947.

The spelling of 551102473 in words is "five hundred fifty-one million, one hundred two thousand, four hundred seventy-three".