551543676 has 12 divisors (see below), whose sum is σ = 1286935272. Its totient is φ = 183847888.

The previous prime is 551543659. The next prime is 551543687. The reversal of 551543676 is 676345155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×551543676³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22980975 + ... + 22980998.

It is an arithmetic number, because the mean of its divisors is an integer number (107244606).

Almost surely, 2^551543676 is an apocalyptic number.

It is an amenable number.

551543676 is an abundant number, since it is smaller than the sum of its proper divisors (735391596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551543676 is a wasteful number, since it uses less digits than its factorization.

551543676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45961980 (or 45961978 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 551543676 is about 23484.9670214799. The cubic root of 551543676 is about 820.0870797866.

The spelling of 551543676 in words is "five hundred fifty-one million, five hundred forty-three thousand, six hundred seventy-six".