55162300 has 36 divisors (see below), whose sum is σ = 121677976. Its totient is φ = 21700800.

The previous prime is 55162291. The next prime is 55162307. The reversal of 55162300 is 326155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55162307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579 + ... + 10621.

Almost surely, 2^55162300 is an apocalyptic number.

55162300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55162300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60838988).

55162300 is an abundant number, since it is smaller than the sum of its proper divisors (66515676).

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

55162300 is a wasteful number, since it uses less digits than its factorization.

55162300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118 (or 9111 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55162300 is about 7427.1326903456. The cubic root of 55162300 is about 380.6689509601.

Adding to 55162300 its reverse (326155), we get a palindrome (55488455).

The spelling of 55162300 in words is "fifty-five million, one hundred sixty-two thousand, three hundred".