54194980 has 72 divisors (see below), whose sum is σ = 140221368. Its totient is φ = 17482752.

The previous prime is 54194977. The next prime is 54194983. The reversal of 54194980 is 8949145.

It is an interprime number because it is at equal distance from previous prime (54194977) and next prime (54194983).

It can be written as a sum of positive squares in 4 ways, for example, as 29354724 + 24840256 = 5418^2 + 4984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54194983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15034 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (1947519).

Almost surely, 2^54194980 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 54194980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70110684).

54194980 is an abundant number, since it is smaller than the sum of its proper divisors (86026388).

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

54194980 is a wasteful number, since it uses less digits than its factorization.

54194980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 54194980 is about 7361.7239828725. The cubic root of 54194980 is about 378.4306933521.

The spelling of 54194980 in words is "fifty-four million, one hundred ninety-four thousand, nine hundred eighty".