551655550156 has 12 divisors (see below), whose sum is σ = 967464447768. Its totient is φ = 275237136512.

The previous prime is 551655550153. The next prime is 551655550181. The reversal of 551655550156 is 651055556155.

It is not an unprimeable number, because it can be changed into a prime (551655550153) 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, 147657541 + ... + 147661276.

It is an arithmetic number, because the mean of its divisors is an integer number (80622037314).

Almost surely, 2^551655550156 is an apocalyptic number.

It is an amenable number.

551655550156 is a deficient number, since it is larger than the sum of its proper divisors (415808897612).

551655550156 is a wasteful number, since it uses less digits than its factorization.

551655550156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295319288 (or 295319286 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 551655550156 in words is "five hundred fifty-one billion, six hundred fifty-five million, five hundred fifty thousand, one hundred fifty-six".