54080040 has 64 divisors (see below), whose sum is σ = 185420160. Its totient is φ = 12360960.

The previous prime is 54079979. The next prime is 54080057. The reversal of 54080040 is 4008045.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 54079989 and 54080016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31351 + ... + 33030.

It is an arithmetic number, because the mean of its divisors is an integer number (2897190).

Almost surely, 2^54080040 is an apocalyptic number.

It is an amenable number.

54080040 is an abundant number, since it is smaller than the sum of its proper divisors (131340120).

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

54080040 is a wasteful number, since it uses less digits than its factorization.

54080040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64402 (or 64398 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 54080040 is about 7353.9132439811. The cubic root of 54080040 is about 378.1629710747.

Adding to 54080040 its reverse (4008045), we get a palindrome (58088085).

The spelling of 54080040 in words is "fifty-four million, eighty thousand, forty".