55073123 has 8 divisors (see below), whose sum is σ = 63261792. Its totient is φ = 46964736.

The previous prime is 55073119. The next prime is 55073141. The reversal of 55073123 is 32137055.

55073123 is nontrivially palindromic in base 14.

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

It is not a de Polignac number, because 55073123 - 2² = 55073119 is a prime.

It is a super-3 number, since 3×55073123³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55073092 and 55073101.

It is not an unprimeable number, because it can be changed into a prime (55073023) 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, 18590 + ... + 21347.

It is an arithmetic number, because the mean of its divisors is an integer number (7907724).

Almost surely, 2^55073123 is an apocalyptic number.

55073123 is a deficient number, since it is larger than the sum of its proper divisors (8188669).

55073123 is a wasteful number, since it uses less digits than its factorization.

55073123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40141.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55073123 is about 7421.1268012344. The cubic root of 55073123 is about 380.4637067705.

The spelling of 55073123 in words is "fifty-five million, seventy-three thousand, one hundred twenty-three".