54994491 has 8 divisors (see below), whose sum is σ = 81473360. Its totient is φ = 36662976.

The previous prime is 54994487. The next prime is 54994517. The reversal of 54994491 is 19449945.

It is not a de Polignac number, because 54994491 - 2² = 54994487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54994421) 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, 1018390 + ... + 1018443.

It is an arithmetic number, because the mean of its divisors is an integer number (10184170).

Almost surely, 2^54994491 is an apocalyptic number.

54994491 is a deficient number, since it is larger than the sum of its proper divisors (26478869).

54994491 is a wasteful number, since it uses less digits than its factorization.

54994491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036842 (or 2036836 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 54994491 is about 7415.8270610904. The cubic root of 54994491 is about 380.2825484006.

The spelling of 54994491 in words is "fifty-four million, nine hundred ninety-four thousand, four hundred ninety-one".