54887237 has 4 divisors (see below), whose sum is σ = 58115916. Its totient is φ = 51658560.

The previous prime is 54887207. The next prime is 54887249. The reversal of 54887237 is 73278845.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48080356 + 6806881 = 6934^2 + 2609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54887237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54887207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614314 + ... + 1614347.

It is an arithmetic number, because the mean of its divisors is an integer number (14528979).

Almost surely, 2^54887237 is an apocalyptic number.

It is an amenable number.

54887237 is a deficient number, since it is larger than the sum of its proper divisors (3228679).

54887237 is a wasteful number, since it uses less digits than its factorization.

54887237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228678.

The product of its digits is 376320, while the sum is 44.

The square root of 54887237 is about 7408.5921064667. The cubic root of 54887237 is about 380.0351698750.

The spelling of 54887237 in words is "fifty-four million, eight hundred eighty-seven thousand, two hundred thirty-seven".