55876565 has 16 divisors (see below), whose sum is σ = 68923008. Its totient is φ = 43463616.

The previous prime is 55876553. The next prime is 55876567. The reversal of 55876565 is 56567855.

It is a cyclic number.

It is not a de Polignac number, because 55876565 - 2¹⁶ = 55811029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55876567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62552 + ... + 63438.

It is an arithmetic number, because the mean of its divisors is an integer number (4307688).

Almost surely, 2^55876565 is an apocalyptic number.

It is an amenable number.

55876565 is a deficient number, since it is larger than the sum of its proper divisors (13046443).

55876565 is a wasteful number, since it uses less digits than its factorization.

55876565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 1260000, while the sum is 47.

The square root of 55876565 is about 7475.0628759897. The cubic root of 55876565 is about 382.3049313638.

The spelling of 55876565 in words is "fifty-five million, eight hundred seventy-six thousand, five hundred sixty-five".