55385037 has 12 divisors (see below), whose sum is σ = 80260284. Its totient is φ = 36803520.

The previous prime is 55385023. The next prime is 55385039. The reversal of 55385037 is 73058355.

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 44435556 = 3309^2 + 6666^2 .

It is not a de Polignac number, because 55385037 - 2¹⁰ = 55384013 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55384992 and 55385010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55385039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7014 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (6688357).

Almost surely, 2^55385037 is an apocalyptic number.

It is an amenable number.

55385037 is a deficient number, since it is larger than the sum of its proper divisors (24875247).

55385037 is a wasteful number, since it uses less digits than its factorization.

55385037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980 (or 19977 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 55385037 is about 7442.1124017311. The cubic root of 55385037 is about 381.1806240512.

The spelling of 55385037 in words is "fifty-five million, three hundred eighty-five thousand, thirty-seven".