55151300 has 36 divisors (see below), whose sum is σ = 125981520. Its totient is φ = 20898720.

The previous prime is 55151279. The next prime is 55151303. The reversal of 55151300 is 315155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (55151303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12614 + ... + 16413.

Almost surely, 2^55151300 is an apocalyptic number.

55151300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55151300 is an abundant number, since it is smaller than the sum of its proper divisors (70830220).

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

55151300 is a wasteful number, since it uses less digits than its factorization.

55151300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29060 (or 29053 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55151300 is about 7426.3921253863. The cubic root of 55151300 is about 380.6436460155.

Adding to 55151300 its reverse (315155), we get a palindrome (55466455).

The spelling of 55151300 in words is "fifty-five million, one hundred fifty-one thousand, three hundred".