54279390 has 96 divisors (see below), whose sum is σ = 150917760. Its totient is φ = 12450240.

The previous prime is 54279389. The next prime is 54279413. The reversal of 54279390 is 9397245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68577 + ... + 69363.

It is an arithmetic number, because the mean of its divisors is an integer number (1572060).

Almost surely, 2^54279390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54279390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75458880).

54279390 is an abundant number, since it is smaller than the sum of its proper divisors (96638370).

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

54279390 is a wasteful number, since it uses less digits than its factorization.

54279390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 54279390 is about 7367.4547843879. The cubic root of 54279390 is about 378.6270631081.

The spelling of 54279390 in words is "fifty-four million, two hundred seventy-nine thousand, three hundred ninety".