55546040 has 32 divisors (see below), whose sum is σ = 136341360. Its totient is φ = 20198400.

The previous prime is 55546039. The next prime is 55546097. The reversal of 55546040 is 4064555.

55546040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55545994 and 55546012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62681 + ... + 63560.

Almost surely, 2^55546040 is an apocalyptic number.

It is an amenable number.

55546040 is an abundant number, since it is smaller than the sum of its proper divisors (80795320).

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

55546040 is a wasteful number, since it uses less digits than its factorization.

55546040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126263 (or 126259 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55546040 is about 7452.9215747920. The cubic root of 55546040 is about 381.5496277566.

The spelling of 55546040 in words is "fifty-five million, five hundred forty-six thousand, forty".