553790778 has 16 divisors (see below), whose sum is σ = 1124113440. Its totient is φ = 181841616.

The previous prime is 553790761. The next prime is 553790779. The reversal of 553790778 is 877097355.

It is a self number, because there is not a number n which added to its sum of digits gives 553790778.

It is not an unprimeable number, because it can be changed into a prime (553790779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688393 + ... + 689196.

It is an arithmetic number, because the mean of its divisors is an integer number (70257090).

Almost surely, 2^553790778 is an apocalyptic number.

553790778 is an abundant number, since it is smaller than the sum of its proper divisors (570322662).

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

553790778 is a wasteful number, since it uses less digits than its factorization.

553790778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377661.

The product of its (nonzero) digits is 1852200, while the sum is 51.

The square root of 553790778 is about 23532.7596766720. The cubic root of 553790778 is about 821.1993049659.

The spelling of 553790778 in words is "five hundred fifty-three million, seven hundred ninety thousand, seven hundred seventy-eight".