55382791 has 8 divisors (see below), whose sum is σ = 56444960. Its totient is φ = 54330912.

The previous prime is 55382783. The next prime is 55382797. The reversal of 55382791 is 19728355.

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 55382791 - 2³ = 55382783 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 (55382797) 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, 8761 + ... + 13693.

It is an arithmetic number, because the mean of its divisors is an integer number (7055620).

Almost surely, 2^55382791 is an apocalyptic number.

55382791 is a deficient number, since it is larger than the sum of its proper divisors (1062169).

55382791 is a wasteful number, since it uses less digits than its factorization.

55382791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its digits is 75600, while the sum is 40.

The square root of 55382791 is about 7441.9615021848. The cubic root of 55382791 is about 381.1754713764.

The spelling of 55382791 in words is "fifty-five million, three hundred eighty-two thousand, seven hundred ninety-one".