54862091 has 4 divisors (see below), whose sum is σ = 54891384. Its totient is φ = 54832800.

The previous prime is 54862057. The next prime is 54862099. The reversal of 54862091 is 19026845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19026845 = 5 ⋅3805369.

It is a cyclic number.

It is not a de Polignac number, because 54862091 - 2¹⁰ = 54861067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54862099) 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, 11630 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (13722846).

Almost surely, 2^54862091 is an apocalyptic number.

54862091 is a deficient number, since it is larger than the sum of its proper divisors (29293).

54862091 is a wasteful number, since it uses less digits than its factorization.

54862091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29292.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 54862091 is about 7406.8948284689. The cubic root of 54862091 is about 379.9771246618.

The spelling of 54862091 in words is "fifty-four million, eight hundred sixty-two thousand, ninety-one".