54665940 has 96 divisors (see below), whose sum is σ = 182568960. Its totient is φ = 11949696.

The previous prime is 54665929. The next prime is 54665951. The reversal of 54665940 is 4956645.

It is an interprime number because it is at equal distance from previous prime (54665929) and next prime (54665951).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6831 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (1901760).

Almost surely, 2^54665940 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 54665940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91284480).

54665940 is an abundant number, since it is smaller than the sum of its proper divisors (127903020).

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

54665940 is a wasteful number, since it uses less digits than its factorization.

54665940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701 (or 5699 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 54665940 is about 7393.6418631146. The cubic root of 54665940 is about 379.5237338931.

The spelling of 54665940 in words is "fifty-four million, six hundred sixty-five thousand, nine hundred forty".