54837440 has 56 divisors (see below), whose sum is σ = 149242272. Its totient is φ = 18800640.

The previous prime is 54837421. The next prime is 54837449. The reversal of 54837440 is 4473845.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 54837440.

It is not an unprimeable number, because it can be changed into a prime (54837449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001 + ... + 14480.

Almost surely, 2^54837440 is an apocalyptic number.

It is an amenable number.

54837440 is an abundant number, since it is smaller than the sum of its proper divisors (94404832).

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

54837440 is a wasteful number, since it uses less digits than its factorization.

54837440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24505 (or 24495 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 54837440 is about 7405.2305838508. The cubic root of 54837440 is about 379.9202048519.

The spelling of 54837440 in words is "fifty-four million, eight hundred thirty-seven thousand, four hundred forty".