55966741 has 4 divisors (see below), whose sum is σ = 56407552. Its totient is φ = 55525932.

The previous prime is 55966739. The next prime is 55966777. The reversal of 55966741 is 14766955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55966741 - 2¹ = 55966739 is a prime.

It is a super-2 number, since 2×55966741² = 6264552196322162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55966721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220215 + ... + 220468.

It is an arithmetic number, because the mean of its divisors is an integer number (14101888).

Almost surely, 2^55966741 is an apocalyptic number.

It is an amenable number.

55966741 is a deficient number, since it is larger than the sum of its proper divisors (440811).

55966741 is a wasteful number, since it uses less digits than its factorization.

55966741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440810.

The product of its digits is 226800, while the sum is 43.

The square root of 55966741 is about 7481.0922330900. The cubic root of 55966741 is about 382.5104808668.

The spelling of 55966741 in words is "fifty-five million, nine hundred sixty-six thousand, seven hundred forty-one".