55950775 has 12 divisors (see below), whose sum is σ = 70689672. Its totient is φ = 43915040.

The previous prime is 55950751. The next prime is 55950779. The reversal of 55950775 is 57705955.

It is a de Polignac number, because none of the positive numbers 2^k-55950775 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 (55950779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19789 + ... + 22438.

It is an arithmetic number, because the mean of its divisors is an integer number (5890806).

Almost surely, 2^55950775 is an apocalyptic number.

55950775 is a deficient number, since it is larger than the sum of its proper divisors (14738897).

55950775 is a wasteful number, since it uses less digits than its factorization.

55950775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42290 (or 42285 counting only the distinct ones).

The product of its (nonzero) digits is 275625, while the sum is 43.

The square root of 55950775 is about 7480.0250668029. The cubic root of 55950775 is about 382.4741036478.

The spelling of 55950775 in words is "fifty-five million, nine hundred fifty thousand, seven hundred seventy-five".