55437027 has 4 divisors (see below), whose sum is σ = 73916040. Its totient is φ = 36958016.

The previous prime is 55437023. The next prime is 55437037. The reversal of 55437027 is 72073455.

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 55437027 - 2² = 55437023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55437023) 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, 9239502 + ... + 9239507.

It is an arithmetic number, because the mean of its divisors is an integer number (18479010).

Almost surely, 2^55437027 is an apocalyptic number.

55437027 is a deficient number, since it is larger than the sum of its proper divisors (18479013).

55437027 is a wasteful number, since it uses less digits than its factorization.

55437027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18479012.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 55437027 is about 7445.6045422786. The cubic root of 55437027 is about 381.2998583186.

The spelling of 55437027 in words is "fifty-five million, four hundred thirty-seven thousand, twenty-seven".