551976830 has 16 divisors (see below), whose sum is σ = 993921840. Its totient is φ = 220709952.

The previous prime is 551976827. The next prime is 551976833. The reversal of 551976830 is 38679155.

It is an interprime number because it is at equal distance from previous prime (551976827) and next prime (551976833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551976833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24122 + ... + 41058.

It is an arithmetic number, because the mean of its divisors is an integer number (62120115).

Almost surely, 2^551976830 is an apocalyptic number.

551976830 is a deficient number, since it is larger than the sum of its proper divisors (441945010).

551976830 is a wasteful number, since it uses less digits than its factorization.

551976830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20203.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 551976830 is about 23494.1871534216. The cubic root of 551976830 is about 820.3017083303.

The spelling of 551976830 in words is "five hundred fifty-one million, nine hundred seventy-six thousand, eight hundred thirty".