55776662 has 4 divisors (see below), whose sum is σ = 83664996. Its totient is φ = 27888330.

The previous prime is 55776661. The next prime is 55776667. The reversal of 55776662 is 26667755.

55776662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×55776662² = 6222072047724488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55776661) 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 as a sum of consecutive naturals, namely, 13944164 + ... + 13944167.

It is an arithmetic number, because the mean of its divisors is an integer number (20916249).

Almost surely, 2^55776662 is an apocalyptic number.

55776662 is a deficient number, since it is larger than the sum of its proper divisors (27888334).

55776662 is a wasteful number, since it uses less digits than its factorization.

55776662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888333.

The product of its digits is 529200, while the sum is 44.

The square root of 55776662 is about 7468.3774676967. The cubic root of 55776662 is about 382.0769515032.

The spelling of 55776662 in words is "fifty-five million, seven hundred seventy-six thousand, six hundred sixty-two".