54922140 has 216 divisors, whose sum is σ = 209139840. Its totient is φ = 11563776.

The previous prime is 54922139. The next prime is 54922159. The reversal of 54922140 is 4122945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114421 + ... + 114899.

It is an arithmetic number, because the mean of its divisors is an integer number (968240).

Almost surely, 2^54922140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54922140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104569920).

54922140 is an abundant number, since it is smaller than the sum of its proper divisors (154217700).

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

54922140 is a wasteful number, since it uses less digits than its factorization.

54922140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 54922140 is about 7410.9473078683. The cubic root of 54922140 is about 380.1157080695.

The spelling of 54922140 in words is "fifty-four million, nine hundred twenty-two thousand, one hundred forty".