5551787264 has 18 divisors (see below), whose sum is σ = 11081888370. Its totient is φ = 2775893504.

The previous prime is 5551787243. The next prime is 5551787273. The reversal of 5551787264 is 4627871555.

It can be written as a sum of positive squares in only one way, i.e., 5504452864 + 47334400 = 74192^2 + 6880^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10843079 + ... + 10843590.

It is an arithmetic number, because the mean of its divisors is an integer number (615660465).

Almost surely, 2^5551787264 is an apocalyptic number.

It is an amenable number.

5551787264 is a deficient number, since it is larger than the sum of its proper divisors (5530101106).

5551787264 is an equidigital number, since it uses as much as digits as its factorization.

5551787264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21686685 (or 21686671 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 50.

The square root of 5551787264 is about 74510.3164937581. The cubic root of 5551787264 is about 1770.6970840003.

The spelling of 5551787264 in words is "five billion, five hundred fifty-one million, seven hundred eighty-seven thousand, two hundred sixty-four".