54189970 has 16 divisors (see below), whose sum is σ = 97651008. Its totient is φ = 21651760.

The previous prime is 54189943. The next prime is 54189977. The reversal of 54189970 is 7998145.

It is not an unprimeable number, because it can be changed into a prime (54189977) 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, 8427 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (6103188).

Almost surely, 2^54189970 is an apocalyptic number.

54189970 is a deficient number, since it is larger than the sum of its proper divisors (43461038).

54189970 is a wasteful number, since it uses less digits than its factorization.

54189970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 54189970 is about 7361.3837014518. The cubic root of 54189970 is about 378.4190317788.

The spelling of 54189970 in words is "fifty-four million, one hundred eighty-nine thousand, nine hundred seventy".