54122140 has 12 divisors (see below), whose sum is σ = 113656536. Its totient is φ = 21648848.

The previous prime is 54122137. The next prime is 54122179. The reversal of 54122140 is 4122145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353034 + ... + 1353073.

It is an arithmetic number, because the mean of its divisors is an integer number (9471378).

Almost surely, 2^54122140 is an apocalyptic number.

It is an amenable number.

54122140 is an abundant number, since it is smaller than the sum of its proper divisors (59534396).

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

54122140 is a wasteful number, since it uses less digits than its factorization.

54122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706116 (or 2706114 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 54122140 is about 7356.7751087008. The cubic root of 54122140 is about 378.2610758566.

Adding to 54122140 its reverse (4122145), we get a palindrome (58244285).

The spelling of 54122140 in words is "fifty-four million, one hundred twenty-two thousand, one hundred forty".