551648846154 has 32 divisors (see below), whose sum is σ = 1270840098816. Its totient is φ = 156372899760.

The previous prime is 551648846141. The next prime is 551648846183. The reversal of 551648846154 is 451648846155.

It is a junction number, because it is equal to n+sod(n) for n = 551648846094 and 551648846103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51705282 + ... + 51715949.

It is an arithmetic number, because the mean of its divisors is an integer number (39713753088).

Almost surely, 2^551648846154 is an apocalyptic number.

551648846154 is an abundant number, since it is smaller than the sum of its proper divisors (719191252662).

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

551648846154 is a wasteful number, since it uses less digits than its factorization.

551648846154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103421370.

The product of its digits is 18432000, while the sum is 57.

Subtracting from 551648846154 its reverse (451648846155), we obtain a palindrome (99999999999).

It can be divided in two parts, 5516 and 48846154, that added together give a triangular number (48851670 = T₉₈₈₄).

The spelling of 551648846154 in words is "five hundred fifty-one billion, six hundred forty-eight million, eight hundred forty-six thousand, one hundred fifty-four".