55313430 has 32 divisors (see below), whose sum is σ = 134438400. Its totient is φ = 14562912.

The previous prime is 55313429. The next prime is 55313431. The reversal of 55313430 is 3431355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55313429) and next prime (55313431).

It is a self number, because there is not a number n which added to its sum of digits gives 55313430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55313431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9300 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (4201200).

Almost surely, 2^55313430 is an apocalyptic number.

55313430 is an abundant number, since it is smaller than the sum of its proper divisors (79124970).

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

55313430 is a wasteful number, since it uses less digits than its factorization.

55313430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23428.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 55313430 is about 7437.2999132750. The cubic root of 55313430 is about 381.0162777815.

Adding to 55313430 its reverse (3431355), we get a palindrome (58744785).

The spelling of 55313430 in words is "fifty-five million, three hundred thirteen thousand, four hundred thirty".