54378726 has 8 divisors (see below), whose sum is σ = 108757464. Its totient is φ = 18126240.

The previous prime is 54378721. The next prime is 54378769. The reversal of 54378726 is 62787345.

It is a sphenic number, since it is the product of 3 distinct primes.

54378726 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54378721) 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, 4531555 + ... + 4531566.

It is an arithmetic number, because the mean of its divisors is an integer number (13594683).

Almost surely, 2^54378726 is an apocalyptic number.

54378726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54378726 is a wasteful number, since it uses less digits than its factorization.

54378726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9063126.

The product of its digits is 282240, while the sum is 42.

The square root of 54378726 is about 7374.1932440098. The cubic root of 54378726 is about 378.8578958254.

The spelling of 54378726 in words is "fifty-four million, three hundred seventy-eight thousand, seven hundred twenty-six".