55252664 has 16 divisors (see below), whose sum is σ = 106941120. Its totient is φ = 26735040.

The previous prime is 55252661. The next prime is 55252667. The reversal of 55252664 is 46625255.

55252664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55252661) and next prime (55252667).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55252661) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 111149 + ... + 111644.

It is an arithmetic number, because the mean of its divisors is an integer number (6683820).

Almost surely, 2^55252664 is an apocalyptic number.

It is an amenable number.

55252664 is a deficient number, since it is larger than the sum of its proper divisors (51688456).

55252664 is a wasteful number, since it uses less digits than its factorization.

55252664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222830 (or 222826 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 55252664 is about 7433.2135715315. The cubic root of 55252664 is about 380.8767015599.

The spelling of 55252664 in words is "fifty-five million, two hundred fifty-two thousand, six hundred sixty-four".