54655940 has 12 divisors (see below), whose sum is σ = 114777516. Its totient is φ = 21862368.

The previous prime is 54655907. The next prime is 54655949. The reversal of 54655940 is 4955645.

It can be written as a sum of positive squares in 2 ways, for example, as 14002564 + 40653376 = 3742^2 + 6376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54655894 and 54655903.

It is not an unprimeable number, because it can be changed into a prime (54655949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366379 + ... + 1366418.

It is an arithmetic number, because the mean of its divisors is an integer number (9564793).

Almost surely, 2^54655940 is an apocalyptic number.

It is an amenable number.

54655940 is an abundant number, since it is smaller than the sum of its proper divisors (60121576).

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

54655940 is a wasteful number, since it uses less digits than its factorization.

54655940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732806 (or 2732804 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 54655940 is about 7392.9655754643. The cubic root of 54655940 is about 379.5005904832.

The spelling of 54655940 in words is "fifty-four million, six hundred fifty-five thousand, nine hundred forty".