55127237 has 6 divisors (see below), whose sum is σ = 60594534. Its totient is φ = 50115560.

The previous prime is 55127203. The next prime is 55127239. The reversal of 55127237 is 73272155.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 2579236 = 7249^2 + 1606^2 .

It is not a de Polignac number, because 55127237 - 2¹² = 55123141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55127239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227678 + ... + 227919.

It is an arithmetic number, because the mean of its divisors is an integer number (10099089).

Almost surely, 2^55127237 is an apocalyptic number.

It is an amenable number.

55127237 is a deficient number, since it is larger than the sum of its proper divisors (5467297).

55127237 is a wasteful number, since it uses less digits than its factorization.

55127237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455619 (or 455608 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 55127237 is about 7424.7718483466. The cubic root of 55127237 is about 380.5882785658.

The spelling of 55127237 in words is "fifty-five million, one hundred twenty-seven thousand, two hundred thirty-seven".