55575127 has 4 divisors (see below), whose sum is σ = 55687000. Its totient is φ = 55463256.

The previous prime is 55575101. The next prime is 55575139. The reversal of 55575127 is 72157555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55575127 - 2¹¹ = 55573079 is a prime.

It is a super-2 number, since 2×55575127² = 6177189482132258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55575167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55188 + ... + 56185.

It is an arithmetic number, because the mean of its divisors is an integer number (13921750).

Almost surely, 2^55575127 is an apocalyptic number.

55575127 is a deficient number, since it is larger than the sum of its proper divisors (111873).

55575127 is a wasteful number, since it uses less digits than its factorization.

55575127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111872.

The product of its digits is 61250, while the sum is 37.

The square root of 55575127 is about 7454.8727017971. The cubic root of 55575127 is about 381.6162163462.

The spelling of 55575127 in words is "fifty-five million, five hundred seventy-five thousand, one hundred twenty-seven".