55385437737 has 8 divisors (see below), whose sum is σ = 84396857536. Its totient is φ = 31648821552.

The previous prime is 55385437733. The next prime is 55385437769. The reversal of 55385437737 is 73773458355.

It is a happy number.

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

It is not a de Polignac number, because 55385437737 - 2² = 55385437733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55385437733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318700878 + ... + 1318700919.

It is an arithmetic number, because the mean of its divisors is an integer number (10549607192).

Almost surely, 2^55385437737 is an apocalyptic number.

It is an amenable number.

55385437737 is a deficient number, since it is larger than the sum of its proper divisors (29011419799).

55385437737 is a wasteful number, since it uses less digits than its factorization.

55385437737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637401807.

The product of its digits is 37044000, while the sum is 57.

The spelling of 55385437737 in words is "fifty-five billion, three hundred eighty-five million, four hundred thirty-seven thousand, seven hundred thirty-seven".