55940346 has 48 divisors (see below), whose sum is σ = 151115328. Its totient is φ = 14529600.

The previous prime is 55940329. The next prime is 55940369. The reversal of 55940346 is 64304955.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55940346.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18795 + ... + 21566.

It is an arithmetic number, because the mean of its divisors is an integer number (3148236).

Almost surely, 2^55940346 is an apocalyptic number.

55940346 is an abundant number, since it is smaller than the sum of its proper divisors (95174982).

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

55940346 is a wasteful number, since it uses less digits than its factorization.

55940346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40387 (or 40384 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 55940346 is about 7479.3279109824. The cubic root of 55940346 is about 382.4503382917.

The spelling of 55940346 in words is "fifty-five million, nine hundred forty thousand, three hundred forty-six".