55071123 has 8 divisors (see below), whose sum is σ = 73964688. Its totient is φ = 36445824.

The previous prime is 55071103. The next prime is 55071161. The reversal of 55071123 is 32117055.

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

It is not a de Polignac number, because 55071123 - 2⁵ = 55071091 is a prime.

It is a super-2 number, since 2×55071123² = 6065657176962258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55071093 and 55071102.

It is not an unprimeable number, because it can be changed into a prime (55071103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66586 + ... + 67407.

It is an arithmetic number, because the mean of its divisors is an integer number (9245586).

Almost surely, 2^55071123 is an apocalyptic number.

55071123 is a deficient number, since it is larger than the sum of its proper divisors (18893565).

55071123 is a wasteful number, since it uses less digits than its factorization.

55071123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134133.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 55071123 is about 7420.9920495847. The cubic root of 55071123 is about 380.4591011566.

Adding to 55071123 its reverse (32117055), we get a palindrome (87188178).

The spelling of 55071123 in words is "fifty-five million, seventy-one thousand, one hundred twenty-three".