55576837 has 4 divisors (see below), whose sum is σ = 55596460. Its totient is φ = 55557216.

The previous prime is 55576823. The next prime is 55576867. The reversal of 55576837 is 73867555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73867555 = 5 ⋅14773511.

It can be written as a sum of positive squares in 2 ways, for example, as 22410756 + 33166081 = 4734^2 + 5759^2 .

It is a cyclic number.

It is not a de Polignac number, because 55576837 - 2⁷ = 55576709 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 (55576817) 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, 4662 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (13899115).

Almost surely, 2^55576837 is an apocalyptic number.

It is an amenable number.

55576837 is a deficient number, since it is larger than the sum of its proper divisors (19623).

55576837 is a wasteful number, since it uses less digits than its factorization.

55576837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19622.

The product of its digits is 882000, while the sum is 46.

The square root of 55576837 is about 7454.9873910021. The cubic root of 55576837 is about 381.6201303096.

The spelling of 55576837 in words is "fifty-five million, five hundred seventy-six thousand, eight hundred thirty-seven".