54646140 has 48 divisors (see below), whose sum is σ = 153635328. Its totient is φ = 14512704.

The previous prime is 54646139. The next prime is 54646159. The reversal of 54646140 is 4164645.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54646098 and 54646107.

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, 14049 + ... + 17511.

It is an arithmetic number, because the mean of its divisors is an integer number (3200736).

Almost surely, 2^54646140 is an apocalyptic number.

It is an amenable number.

54646140 is an abundant number, since it is smaller than the sum of its proper divisors (98989188).

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

54646140 is a wasteful number, since it uses less digits than its factorization.

54646140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 54646140 is about 7392.3027535403. The cubic root of 54646140 is about 379.4779072024.

The spelling of 54646140 in words is "fifty-four million, six hundred forty-six thousand, one hundred forty".