54509992 has 16 divisors (see below), whose sum is σ = 104699700. Its totient is φ = 26590080.

The previous prime is 54509963. The next prime is 54510019. The reversal of 54509992 is 29990545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46703556 + 7806436 = 6834^2 + 2794^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82767 + ... + 83422.

Almost surely, 2^54509992 is an apocalyptic number.

It is an amenable number.

54509992 is a deficient number, since it is larger than the sum of its proper divisors (50189708).

54509992 is a wasteful number, since it uses less digits than its factorization.

54509992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166236 (or 166232 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 54509992 is about 7383.0882427342. The cubic root of 54509992 is about 379.1624953264.

The spelling of 54509992 in words is "fifty-four million, five hundred nine thousand, nine hundred ninety-two".