555251040 has 72 divisors (see below), whose sum is σ = 1894799088. Its totient is φ = 148066560.

The previous prime is 555251029. The next prime is 555251051. The reversal of 555251040 is 40152555.

555251040 is a `hidden beast` number, since 5 + 552 + 5 + 104 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (555251029) and next prime (555251051).

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 555250995 and 555251013.

It is a congruent number.

It is an unprimeable number.

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, 191356 + ... + 194235.

It is an arithmetic number, because the mean of its divisors is an integer number (26316654).

Almost surely, 2^555251040 is an apocalyptic number.

It is an amenable number.

555251040 is an abundant number, since it is smaller than the sum of its proper divisors (1339548048).

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

555251040 is a wasteful number, since it uses less digits than its factorization.

555251040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385612 (or 385601 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 555251040 is about 23563.7654036871. The cubic root of 555251040 is about 821.9204640042.

It can be divided in two parts, 55525 and 1040, that added together give a palindrome (56565).

The spelling of 555251040 in words is "five hundred fifty-five million, two hundred fifty-one thousand, forty".