55730046 has 16 divisors (see below), whose sum is σ = 118016784. Its totient is φ = 17483904.

The previous prime is 55730041. The next prime is 55730053. The reversal of 55730046 is 64003755.

It is a junction number, because it is equal to n+sod(n) for n = 55729995 and 55730022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55730041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273085 + ... + 273288.

It is an arithmetic number, because the mean of its divisors is an integer number (7376049).

Almost surely, 2^55730046 is an apocalyptic number.

55730046 is an abundant number, since it is smaller than the sum of its proper divisors (62286738).

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

55730046 is a wasteful number, since it uses less digits than its factorization.

55730046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546395.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 55730046 is about 7465.2559232755. The cubic root of 55730046 is about 381.9704800704.

It can be divided in two parts, 557 and 30046, that added together give a palindrome (30603).

The spelling of 55730046 in words is "fifty-five million, seven hundred thirty thousand, forty-six".