55011023 has 8 divisors (see below), whose sum is σ = 58101120. Its totient is φ = 51940440.

The previous prime is 55011017. The next prime is 55011029. The reversal of 55011023 is 32011055.

It is an interprime number because it is at equal distance from previous prime (55011017) and next prime (55011029).

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

It is a cyclic number.

It is not a de Polignac number, because 55011023 - 2¹⁶ = 54945487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55010992 and 55011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011029) 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, 1118 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (7262640).

Almost surely, 2^55011023 is an apocalyptic number.

55011023 is a deficient number, since it is larger than the sum of its proper divisors (3090097).

55011023 is a wasteful number, since it uses less digits than its factorization.

55011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 55011023 is about 7416.9416203716. The cubic root of 55011023 is about 380.3206504063.

Adding to 55011023 its reverse (32011055), we get a palindrome (87022078).

The spelling of 55011023 in words is "fifty-five million, eleven thousand, twenty-three".