55546340 has 12 divisors (see below), whose sum is σ = 116647356. Its totient is φ = 22218528.

The previous prime is 55546331. The next prime is 55546343. The reversal of 55546340 is 4364555.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 46594276 = 2992^2 + 6826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55546297 and 55546306.

It is not an unprimeable number, because it can be changed into a prime (55546343) 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, 1388639 + ... + 1388678.

It is an arithmetic number, because the mean of its divisors is an integer number (9720613).

Almost surely, 2^55546340 is an apocalyptic number.

It is an amenable number.

55546340 is an abundant number, since it is smaller than the sum of its proper divisors (61101016).

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

55546340 is a wasteful number, since it uses less digits than its factorization.

55546340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777326 (or 2777324 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55546340 is about 7452.9417011003. The cubic root of 55546340 is about 381.5503146623.

The spelling of 55546340 in words is "fifty-five million, five hundred forty-six thousand, three hundred forty".