55153513 has 8 divisors (see below), whose sum is σ = 56878848. Its totient is φ = 53451264.

The previous prime is 55153507. The next prime is 55153541. The reversal of 55153513 is 31535155.

55153513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55153513 - 2⁵ = 55153481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55153543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (7109856).

Almost surely, 2^55153513 is an apocalyptic number.

It is an amenable number.

55153513 is a deficient number, since it is larger than the sum of its proper divisors (1725335).

55153513 is a wasteful number, since it uses less digits than its factorization.

55153513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543.

The product of its digits is 5625, while the sum is 28.

The square root of 55153513 is about 7426.5411195253. The cubic root of 55153513 is about 380.6487371806.

Adding to 55153513 its reverse (31535155), we get a palindrome (86688668).

The spelling of 55153513 in words is "fifty-five million, one hundred fifty-three thousand, five hundred thirteen".