54550031 has 4 divisors (see below), whose sum is σ = 55050600. Its totient is φ = 54049464.

The previous prime is 54550021. The next prime is 54550063. The reversal of 54550031 is 13005545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54550031 - 2¹⁰ = 54549007 is a prime.

It is a super-2 number, since 2×54550031² = 5951411764201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54549979 and 54550006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54550021) 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, 250121 + ... + 250338.

It is an arithmetic number, because the mean of its divisors is an integer number (13762650).

Almost surely, 2^54550031 is an apocalyptic number.

54550031 is a deficient number, since it is larger than the sum of its proper divisors (500569).

54550031 is a wasteful number, since it uses less digits than its factorization.

54550031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500568.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 54550031 is about 7385.7992796988. The cubic root of 54550031 is about 379.2553074947.

Adding to 54550031 its reverse (13005545), we get a palindrome (67555576).

The spelling of 54550031 in words is "fifty-four million, five hundred fifty thousand, thirty-one".