555463864 has 8 divisors (see below), whose sum is σ = 1041494760. Its totient is φ = 277731928.

The previous prime is 555463861. The next prime is 555463889. The reversal of 555463864 is 468364555.

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555463861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34716484 + ... + 34716499.

It is an arithmetic number, because the mean of its divisors is an integer number (130186845).

Almost surely, 2^555463864 is an apocalyptic number.

It is an amenable number.

555463864 is a deficient number, since it is larger than the sum of its proper divisors (486030896).

555463864 is a wasteful number, since it uses less digits than its factorization.

555463864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69432989 (or 69432985 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The square root of 555463864 is about 23568.2808876676. The cubic root of 555463864 is about 822.0254627909.

The spelling of 555463864 in words is "five hundred fifty-five million, four hundred sixty-three thousand, eight hundred sixty-four".