54970091 has 4 divisors (see below), whose sum is σ = 59967384. Its totient is φ = 49972800.

The previous prime is 54970087. The next prime is 54970121. The reversal of 54970091 is 19007945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54970091 - 2² = 54970087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54970001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498630 + ... + 2498651.

It is an arithmetic number, because the mean of its divisors is an integer number (14991846).

Almost surely, 2^54970091 is an apocalyptic number.

54970091 is a deficient number, since it is larger than the sum of its proper divisors (4997293).

54970091 is a wasteful number, since it uses less digits than its factorization.

54970091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997292.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 54970091 is about 7414.1817485141. The cubic root of 54970091 is about 380.2262987252.

The spelling of 54970091 in words is "fifty-four million, nine hundred seventy thousand, ninety-one".