55551175 has 24 divisors (see below), whose sum is σ = 71114000. Its totient is φ = 43027200.

The previous prime is 55551173. The next prime is 55551179. The reversal of 55551175 is 57115555.

It is a happy number.

It is not a de Polignac number, because 55551175 - 2¹ = 55551173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55551175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111076 + ... + 111574.

Almost surely, 2^55551175 is an apocalyptic number.

55551175 is a deficient number, since it is larger than the sum of its proper divisors (15562825).

55551175 is a wasteful number, since it uses less digits than its factorization.

55551175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 638 counting only the distinct ones).

The product of its digits is 21875, while the sum is 34.

The square root of 55551175 is about 7453.2660626064. The cubic root of 55551175 is about 381.5613849522.

The spelling of 55551175 in words is "fifty-five million, five hundred fifty-one thousand, one hundred seventy-five".