54999653 has 4 divisors (see below), whose sum is σ = 55774368. Its totient is φ = 54224940.

The previous prime is 54999643. The next prime is 54999667. The reversal of 54999653 is 35699945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54999653 - 2⁶ = 54999589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54999643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387251 + ... + 387392.

It is an arithmetic number, because the mean of its divisors is an integer number (13943592).

Almost surely, 2^54999653 is an apocalyptic number.

It is an amenable number.

54999653 is a deficient number, since it is larger than the sum of its proper divisors (774715).

54999653 is an equidigital number, since it uses as much as digits as its factorization.

54999653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774714.

The product of its digits is 1312200, while the sum is 50.

The square root of 54999653 is about 7416.1750923235. The cubic root of 54999653 is about 380.2944463020.

The spelling of 54999653 in words is "fifty-four million, nine hundred ninety-nine thousand, six hundred fifty-three".