54213994 has 16 divisors (see below), whose sum is σ = 83599560. Its totient is φ = 26357760.

The previous prime is 54213977. The next prime is 54214001. The reversal of 54213994 is 49931245.

It can be written as a sum of positive squares in 4 ways, for example, as 18966025 + 35247969 = 4355^2 + 5937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8362 + ... + 13354.

Almost surely, 2^54213994 is an apocalyptic number.

54213994 is a deficient number, since it is larger than the sum of its proper divisors (29385566).

54213994 is a wasteful number, since it uses less digits than its factorization.

54213994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its digits is 38880, while the sum is 37.

The square root of 54213994 is about 7363.0152790823. The cubic root of 54213994 is about 378.4749449284.

The spelling of 54213994 in words is "fifty-four million, two hundred thirteen thousand, nine hundred ninety-four".