55850137 has 8 divisors (see below), whose sum is σ = 64394496. Its totient is φ = 47447232.

The previous prime is 55850129. The next prime is 55850149. The reversal of 55850137 is 73105855.

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

It is not a de Polignac number, because 55850137 - 2³ = 55850129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55850107) 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, 34513 + ... + 36094.

It is an arithmetic number, because the mean of its divisors is an integer number (8049312).

Almost surely, 2^55850137 is an apocalyptic number.

It is an amenable number.

55850137 is a deficient number, since it is larger than the sum of its proper divisors (8544359).

55850137 is a wasteful number, since it uses less digits than its factorization.

55850137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70727.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 55850137 is about 7473.2949225894. The cubic root of 55850137 is about 382.2446487984.

The spelling of 55850137 in words is "fifty-five million, eight hundred fifty thousand, one hundred thirty-seven".