551258049 has 4 divisors (see below), whose sum is σ = 735010736. Its totient is φ = 367505364.

The previous prime is 551258047. The next prime is 551258083. The reversal of 551258049 is 940852155.

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 551258049 - 2¹ = 551258047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551257998 and 551258016.

It is not an unprimeable number, because it can be changed into a prime (551258047) 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, 91876339 + ... + 91876344.

It is an arithmetic number, because the mean of its divisors is an integer number (183752684).

Almost surely, 2^551258049 is an apocalyptic number.

It is an amenable number.

551258049 is a deficient number, since it is larger than the sum of its proper divisors (183752687).

551258049 is a wasteful number, since it uses less digits than its factorization.

551258049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183752686.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 551258049 is about 23478.8851737045. The cubic root of 551258049 is about 819.9454896344.

The spelling of 551258049 in words is "five hundred fifty-one million, two hundred fifty-eight thousand, forty-nine".