55338157 has 8 divisors (see below), whose sum is σ = 64044800. Its totient is φ = 46831824.

The previous prime is 55338139. The next prime is 55338187. The reversal of 55338157 is 75183355.

55338157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55338157 - 2¹¹ = 55336109 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 (55338137) 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 7 ways as a sum of consecutive naturals, for example, 49482 + ... + 50587.

It is an arithmetic number, because the mean of its divisors is an integer number (8005600).

Almost surely, 2^55338157 is an apocalyptic number.

It is an amenable number.

55338157 is a deficient number, since it is larger than the sum of its proper divisors (8706643).

55338157 is a wasteful number, since it uses less digits than its factorization.

55338157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100155.

The product of its digits is 63000, while the sum is 37.

The square root of 55338157 is about 7438.9620915824. The cubic root of 55338157 is about 381.0730451040.

The spelling of 55338157 in words is "fifty-five million, three hundred thirty-eight thousand, one hundred fifty-seven".