553278376 has 32 divisors (see below), whose sum is σ = 1187720640. Its totient is φ = 236694528.

The previous prime is 553278373. The next prime is 553278389. The reversal of 553278376 is 673872355.

553278376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×553278376² = 612233922698394752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (553278373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23751 + ... + 40873.

It is an arithmetic number, because the mean of its divisors is an integer number (37116270).

Almost surely, 2^553278376 is an apocalyptic number.

553278376 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

553278376 is an abundant number, since it is smaller than the sum of its proper divisors (634442264).

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

553278376 is a wasteful number, since it uses less digits than its factorization.

553278376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713 (or 17709 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 553278376 is about 23521.8701637434. The cubic root of 553278376 is about 820.9459517572.

The spelling of 553278376 in words is "five hundred fifty-three million, two hundred seventy-eight thousand, three hundred seventy-six".