54199972 has 12 divisors (see below), whose sum is σ = 94904320. Its totient is φ = 27084456.

The previous prime is 54199963. The next prime is 54199979. The reversal of 54199972 is 27999145.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54199979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8029 + ... + 13147.

Almost surely, 2^54199972 is an apocalyptic number.

It is an amenable number.

54199972 is a deficient number, since it is larger than the sum of its proper divisors (40704348).

54199972 is a wasteful number, since it uses less digits than its factorization.

54199972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770 (or 7768 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 54199972 is about 7362.0630260818. The cubic root of 54199972 is about 378.4423123128.

The spelling of 54199972 in words is "fifty-four million, one hundred ninety-nine thousand, nine hundred seventy-two".