55838157 has 8 divisors (see below), whose sum is σ = 74501280. Its totient is φ = 37200240.

The previous prime is 55838087. The next prime is 55838171. The reversal of 55838157 is 75183855.

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 55838157 - 2¹⁶ = 55772621 is a prime.

It is a super-3 number, since 3×55838157³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55838857) 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, 319 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (9312660).

Almost surely, 2^55838157 is an apocalyptic number.

It is an amenable number.

55838157 is a deficient number, since it is larger than the sum of its proper divisors (18663123).

55838157 is a wasteful number, since it uses less digits than its factorization.

55838157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603.

The product of its digits is 168000, while the sum is 42.

The square root of 55838157 is about 7472.4933589800. The cubic root of 55838157 is about 382.2173160194.

The spelling of 55838157 in words is "fifty-five million, eight hundred thirty-eight thousand, one hundred fifty-seven".