54213970 has 16 divisors (see below), whose sum is σ = 99855360. Its totient is φ = 21181104.

The previous prime is 54213959. The next prime is 54213977. The reversal of 54213970 is 7931245.

It is not an unprimeable number, because it can be changed into a prime (54213977) 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, 62610 + ... + 63469.

It is an arithmetic number, because the mean of its divisors is an integer number (6240960).

Almost surely, 2^54213970 is an apocalyptic number.

54213970 is a deficient number, since it is larger than the sum of its proper divisors (45641390).

54213970 is a wasteful number, since it uses less digits than its factorization.

54213970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126129.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 54213970 is about 7363.0136493151. The cubic root of 54213970 is about 378.4748890793.

The spelling of 54213970 in words is "fifty-four million, two hundred thirteen thousand, nine hundred seventy".