54666040 has 128 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 17349120.

The previous prime is 54666023. The next prime is 54666049. The reversal of 54666040 is 4066645.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54665993 and 54666011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54666049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108429 + ... + 108931.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^54666040 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 54666040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

54666040 is an abundant number, since it is smaller than the sum of its proper divisors (97743560).

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

54666040 is a wasteful number, since it uses less digits than its factorization.

54666040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 54666040 is about 7393.6486256787. The cubic root of 54666040 is about 379.5239653130.

The spelling of 54666040 in words is "fifty-four million, six hundred sixty-six thousand, forty".