55337657 has 4 divisors (see below), whose sum is σ = 55354596. Its totient is φ = 55320720.

The previous prime is 55337651. The next prime is 55337663. The reversal of 55337657 is 75673355.

55337657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (55337651) and next prime (55337663).

It can be written as a sum of positive squares in 2 ways, for example, as 49266361 + 6071296 = 7019^2 + 2464^2 .

It is a cyclic number.

It is not a de Polignac number, because 55337657 - 2⁶ = 55337593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55337651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (13838649).

Almost surely, 2^55337657 is an apocalyptic number.

It is an amenable number.

55337657 is a deficient number, since it is larger than the sum of its proper divisors (16939).

55337657 is a wasteful number, since it uses less digits than its factorization.

55337657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16938.

The product of its digits is 330750, while the sum is 41.

The square root of 55337657 is about 7438.9284846677. The cubic root of 55337657 is about 381.0718973902.

The spelling of 55337657 in words is "fifty-five million, three hundred thirty-seven thousand, six hundred fifty-seven".