54787930 has 16 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 21896272.

The previous prime is 54787919. The next prime is 54787939. The reversal of 54787930 is 3978745.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54787939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19047 + ... + 21733.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^54787930 is an apocalyptic number.

54787930 is a deficient number, since it is larger than the sum of its proper divisors (43915430).

54787930 is a wasteful number, since it uses less digits than its factorization.

54787930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 54787930 is about 7401.8869215897. The cubic root of 54787930 is about 379.8058333993.

The spelling of 54787930 in words is "fifty-four million, seven hundred eighty-seven thousand, nine hundred thirty".