55114521 has 16 divisors (see below), whose sum is σ = 91619328. Its totient is φ = 28630800.

The previous prime is 55114517. The next prime is 55114567. The reversal of 55114521 is 12541155.

It is not a de Polignac number, because 55114521 - 2² = 55114517 is a prime.

It is a super-2 number, since 2×55114521² = 6075220850118882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55114491 and 55114500.

It is not an unprimeable number, because it can be changed into a prime (55114511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119065 + ... + 119526.

It is an arithmetic number, because the mean of its divisors is an integer number (5726208).

Almost surely, 2^55114521 is an apocalyptic number.

It is an amenable number.

55114521 is a deficient number, since it is larger than the sum of its proper divisors (36504807).

55114521 is a wasteful number, since it uses less digits than its factorization.

55114521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238612.

The product of its digits is 1000, while the sum is 24.

The square root of 55114521 is about 7423.9154763507. The cubic root of 55114521 is about 380.5590133425.

Adding to 55114521 its reverse (12541155), we get a palindrome (67655676).

The spelling of 55114521 in words is "fifty-five million, one hundred fourteen thousand, five hundred twenty-one".