54195906 has 16 divisors (see below), whose sum is σ = 108546624. Its totient is φ = 18039504.

The previous prime is 54195887. The next prime is 54195907. The reversal of 54195906 is 60959145.

It is not an unprimeable number, because it can be changed into a prime (54195907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (6784164).

Almost surely, 2^54195906 is an apocalyptic number.

54195906 is an abundant number, since it is smaller than the sum of its proper divisors (54350718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54195906 is a wasteful number, since it uses less digits than its factorization.

54195906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 54195906 is about 7361.7868754807. The cubic root of 54195906 is about 378.4328486860.

It can be divided in two parts, 5419 and 5906, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 54195906 in words is "fifty-four million, one hundred ninety-five thousand, nine hundred six".