55475027 has 4 divisors (see below), whose sum is σ = 57264576. Its totient is φ = 53685480.

The previous prime is 55474987. The next prime is 55475051. The reversal of 55475027 is 72057455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72057455 = 5 ⋅14411491.

It is a cyclic number.

It is not a de Polignac number, because 55475027 - 2¹² = 55470931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55475227) 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, 894728 + ... + 894789.

It is an arithmetic number, because the mean of its divisors is an integer number (14316144).

Almost surely, 2^55475027 is an apocalyptic number.

55475027 is a deficient number, since it is larger than the sum of its proper divisors (1789549).

55475027 is a wasteful number, since it uses less digits than its factorization.

55475027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789548.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 55475027 is about 7448.1559462729. The cubic root of 55475027 is about 381.3869606641.

The spelling of 55475027 in words is "fifty-five million, four hundred seventy-five thousand, twenty-seven".