554552640 has 84 divisors (see below), whose sum is σ = 1907439924. Its totient is φ = 147879936.

The previous prime is 554552629. The next prime is 554552641. The reversal of 554552640 is 46255455.

554552640 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 5 + 2 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 356756544 + 197796096 = 18888^2 + 14064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 554552595 and 554552604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554552641) 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 11 ways as a sum of consecutive naturals, for example, 93397 + ... + 99156.

Almost surely, 2^554552640 is an apocalyptic number.

It is an amenable number.

554552640 is an abundant number, since it is smaller than the sum of its proper divisors (1352887284).

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

554552640 is a wasteful number, since it uses less digits than its factorization.

554552640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192576 (or 192563 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 554552640 is about 23548.9413774802. The cubic root of 554552640 is about 821.5757129804.

It can be divided in two parts, 5545 and 52640, that added together give a palindrome (58185).

The spelling of 554552640 in words is "five hundred fifty-four million, five hundred fifty-two thousand, six hundred forty".