54215506 has 4 divisors (see below), whose sum is σ = 81323262. Its totient is φ = 27107752.

The previous prime is 54215461. The next prime is 54215527. The reversal of 54215506 is 60551245.

54215506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60551245 = 5 ⋅12110249.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 5564881 = 6975^2 + 2359^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13553875 + ... + 13553878.

Almost surely, 2^54215506 is an apocalyptic number.

54215506 is a deficient number, since it is larger than the sum of its proper divisors (27107756).

54215506 is a wasteful number, since it uses less digits than its factorization.

54215506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27107755.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 54215506 is about 7363.1179536933. The cubic root of 54215506 is about 378.4784633852.

The spelling of 54215506 in words is "fifty-four million, two hundred fifteen thousand, five hundred six".