55975605 has 32 divisors (see below), whose sum is σ = 102795264. Its totient is φ = 25478976.

The previous prime is 55975603. The next prime is 55975607. The reversal of 55975605 is 50657955.

It is an interprime number because it is at equal distance from previous prime (55975603) and next prime (55975607).

It is not a de Polignac number, because 55975605 - 2¹ = 55975603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55975603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26602 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (3212352).

Almost surely, 2^55975605 is an apocalyptic number.

It is an amenable number.

55975605 is a deficient number, since it is larger than the sum of its proper divisors (46819659).

55975605 is a wasteful number, since it uses less digits than its factorization.

55975605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305.

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 55975605 is about 7481.6846364973. The cubic root of 55975605 is about 382.5306737758.

The spelling of 55975605 in words is "fifty-five million, nine hundred seventy-five thousand, six hundred five".