55779802 has 24 divisors (see below), whose sum is σ = 91125216. Its totient is φ = 25595856.

The previous prime is 55779793. The next prime is 55779809. The reversal of 55779802 is 20897755.

55779802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55779802² = 6222772622318408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55779809) 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 11 ways as a sum of consecutive naturals, for example, 76363 + ... + 77089.

It is an arithmetic number, because the mean of its divisors is an integer number (3796884).

Almost surely, 2^55779802 is an apocalyptic number.

55779802 is a deficient number, since it is larger than the sum of its proper divisors (35345414).

55779802 is a wasteful number, since it uses less digits than its factorization.

55779802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 55779802 is about 7468.5876844287. The cubic root of 55779802 is about 382.0841211633.

The spelling of 55779802 in words is "fifty-five million, seven hundred seventy-nine thousand, eight hundred two".