55385061 has 8 divisors (see below), whose sum is σ = 73890720. Its totient is φ = 36901392.

The previous prime is 55385059. The next prime is 55385063. The reversal of 55385061 is 16058355.

It is an interprime number because it is at equal distance from previous prime (55385059) and next prime (55385063).

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

It is not a de Polignac number, because 55385061 - 2¹ = 55385059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55385063) 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, 1746 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (9236340).

Almost surely, 2^55385061 is an apocalyptic number.

It is an amenable number.

55385061 is a deficient number, since it is larger than the sum of its proper divisors (18505659).

55385061 is a wasteful number, since it uses less digits than its factorization.

55385061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 55385061 is about 7442.1140141763. The cubic root of 55385061 is about 381.1806791102.

The spelling of 55385061 in words is "fifty-five million, three hundred eighty-five thousand, sixty-one".