55547137 has 8 divisors (see below), whose sum is σ = 56046600. Its totient is φ = 55050240.

The previous prime is 55547131. The next prime is 55547153. The reversal of 55547137 is 73174555.

It can be written as a sum of positive squares in 4 ways, for example, as 15046641 + 40500496 = 3879^2 + 6364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55547137 - 2¹¹ = 55545089 is a prime.

It is a deceptive number, since it divides R_55547136.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55547096 and 55547105.

It is not an unprimeable number, because it can be changed into a prime (55547131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86337 + ... + 86977.

It is an arithmetic number, because the mean of its divisors is an integer number (7005825).

Almost surely, 2^55547137 is an apocalyptic number.

It is an amenable number.

55547137 is a deficient number, since it is larger than the sum of its proper divisors (499463).

55547137 is a wasteful number, since it uses less digits than its factorization.

55547137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its digits is 73500, while the sum is 37.

The square root of 55547137 is about 7452.9951697287. The cubic root of 55547137 is about 381.5521395299.

The spelling of 55547137 in words is "fifty-five million, five hundred forty-seven thousand, one hundred thirty-seven".