54374640 has 80 divisors (see below), whose sum is σ = 170989056. Its totient is φ = 14291200.

The previous prime is 54374603. The next prime is 54374689. The reversal of 54374640 is 4647345.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15445 + ... + 18635.

Almost surely, 2^54374640 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 54374640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85494528).

54374640 is an abundant number, since it is smaller than the sum of its proper divisors (116614416).

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

54374640 is a wasteful number, since it uses less digits than its factorization.

54374640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 54374640 is about 7373.9161915498. The cubic root of 54374640 is about 378.8484065008.

The spelling of 54374640 in words is "fifty-four million, three hundred seventy-four thousand, six hundred forty".