551616456033 has 24 divisors (see below), whose sum is σ = 815297237352. Its totient is φ = 359257137408.

The previous prime is 551616455983. The next prime is 551616456049. The reversal of 551616456033 is 330654616155.

It is a happy number.

551616456033 is a `hidden beast` number, since 5 + 5 + 161 + 6 + 456 + 0 + 33 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3797394129 + 547819061904 = 61623^2 + 740148^2 .

It is not a de Polignac number, because 551616456033 - 2⁹ = 551616455521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551616456033.

It is not an unprimeable number, because it can be changed into a prime (551616456073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2370466 + ... + 2592747.

It is an arithmetic number, because the mean of its divisors is an integer number (33970718223).

Almost surely, 2^551616456033 is an apocalyptic number.

551616456033 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

551616456033 is a deficient number, since it is larger than the sum of its proper divisors (263680781319).

551616456033 is a wasteful number, since it uses less digits than its factorization.

551616456033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963505 (or 4963502 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 551616456033 in words is "five hundred fifty-one billion, six hundred sixteen million, four hundred fifty-six thousand, thirty-three".