55779610 has 16 divisors (see below), whose sum is σ = 100527336. Its totient is φ = 22284288.

The previous prime is 55779599. The next prime is 55779613. The reversal of 55779610 is 1697755.

It can be written as a sum of positive squares in 4 ways, for example, as 12047841 + 43731769 = 3471^2 + 6613^2 .

It is a super-2 number, since 2×55779610² = 6222729783504200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55779613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6394 + ... + 12346.

Almost surely, 2^55779610 is an apocalyptic number.

55779610 is a deficient number, since it is larger than the sum of its proper divisors (44747726).

55779610 is a wasteful number, since it uses less digits than its factorization.

55779610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 55779610 is about 7468.5748305818. The cubic root of 55779610 is about 382.0836827714.

The spelling of 55779610 in words is "fifty-five million, seven hundred seventy-nine thousand, six hundred ten".