55961684 has 12 divisors (see below), whose sum is σ = 98298900. Its totient is φ = 27876288.

The previous prime is 55961641. The next prime is 55961699. The reversal of 55961684 is 48616955.

55961684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33965584 + 21996100 = 5828^2 + 4690^2 .

It is a super-2 number, since 2×55961684² = 6263420152231712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 24929 + ... + 27080.

It is an arithmetic number, because the mean of its divisors is an integer number (8191575).

Almost surely, 2^55961684 is an apocalyptic number.

It is an amenable number.

55961684 is a deficient number, since it is larger than the sum of its proper divisors (42337216).

55961684 is a wasteful number, since it uses less digits than its factorization.

55961684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52282 (or 52280 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 55961684 is about 7480.7542400483. The cubic root of 55961684 is about 382.4989596566.

The spelling of 55961684 in words is "fifty-five million, nine hundred sixty-one thousand, six hundred eighty-four".