55837123 has 4 divisors (see below), whose sum is σ = 58264848. Its totient is φ = 53409400.

The previous prime is 55837109. The next prime is 55837153. The reversal of 55837123 is 32173855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55837123 - 2¹³ = 55828931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55837153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213828 + ... + 1213873.

It is an arithmetic number, because the mean of its divisors is an integer number (14566212).

Almost surely, 2^55837123 is an apocalyptic number.

55837123 is a deficient number, since it is larger than the sum of its proper divisors (2427725).

55837123 is a wasteful number, since it uses less digits than its factorization.

55837123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427724.

The product of its digits is 25200, while the sum is 34.

The square root of 55837123 is about 7472.4241715791. The cubic root of 55837123 is about 382.2149567298.

The spelling of 55837123 in words is "fifty-five million, eight hundred thirty-seven thousand, one hundred twenty-three".