54081790 has 96 divisors (see below), whose sum is σ = 123202080. Its totient is φ = 16982784.

The previous prime is 54081773. The next prime is 54081791. The reversal of 54081790 is 9718045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54081791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344392 + ... + 344548.

It is an arithmetic number, because the mean of its divisors is an integer number (1283355).

Almost surely, 2^54081790 is an apocalyptic number.

54081790 is an abundant number, since it is smaller than the sum of its proper divisors (69120290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54081790 is a wasteful number, since it uses less digits than its factorization.

54081790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 54081790 is about 7354.0322272886. The cubic root of 54081790 is about 378.1670500785.

The spelling of 54081790 in words is "fifty-four million, eighty-one thousand, seven hundred ninety".