54992556 has 36 divisors (see below), whose sum is σ = 139279504. Its totient is φ = 18295200.

The previous prime is 54992551. The next prime is 54992591. The reversal of 54992556 is 65529945.

It is a happy number.

54992556 is a `hidden beast` number, since 5 + 4 + 9 + 92 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (54992551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22641 + ... + 24951.

Almost surely, 2^54992556 is an apocalyptic number.

It is an amenable number.

54992556 is an abundant number, since it is smaller than the sum of its proper divisors (84286948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54992556 is a wasteful number, since it uses less digits than its factorization.

54992556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2977 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 54992556 is about 7415.6965957353. The cubic root of 54992556 is about 380.2780882244.

The spelling of 54992556 in words is "fifty-four million, nine hundred ninety-two thousand, five hundred fifty-six".