55771125 has 16 divisors (see below), whose sum is σ = 92803776. Its totient is φ = 29744400.

The previous prime is 55771091. The next prime is 55771171. The reversal of 55771125 is 52117755.

It is not a de Polignac number, because 55771125 - 2¹³ = 55762933 is a prime.

It is a super-2 number, since 2×55771125² = 6220836767531250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73987 + ... + 74736.

It is an arithmetic number, because the mean of its divisors is an integer number (5800236).

Almost surely, 2^55771125 is an apocalyptic number.

It is an amenable number.

55771125 is a deficient number, since it is larger than the sum of its proper divisors (37032651).

55771125 is a wasteful number, since it uses less digits than its factorization.

55771125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148741 (or 148731 counting only the distinct ones).

The product of its digits is 12250, while the sum is 33.

The square root of 55771125 is about 7468.0067621823. The cubic root of 55771125 is about 382.0643080426.

The spelling of 55771125 in words is "fifty-five million, seven hundred seventy-one thousand, one hundred twenty-five".