54992791 has 8 divisors (see below), whose sum is σ = 64876544. Its totient is φ = 45615960.

The previous prime is 54992761. The next prime is 54992803. The reversal of 54992791 is 19729945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54992791 - 2¹¹ = 54990743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54992711) 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, 126495 + ... + 126928.

It is an arithmetic number, because the mean of its divisors is an integer number (8109568).

Almost surely, 2^54992791 is an apocalyptic number.

54992791 is a deficient number, since it is larger than the sum of its proper divisors (9883753).

54992791 is a wasteful number, since it uses less digits than its factorization.

54992791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253461.

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

The square root of 54992791 is about 7415.7124404874. The cubic root of 54992791 is about 380.2786299051.

The spelling of 54992791 in words is "fifty-four million, nine hundred ninety-two thousand, seven hundred ninety-one".