55229130 has 48 divisors (see below), whose sum is σ = 156652704. Its totient is φ = 13388640.

The previous prime is 55229129. The next prime is 55229131. The reversal of 55229130 is 3192255.

55229130 is a `hidden beast` number, since 5 + 522 + 9 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (55229129) and next prime (55229131).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55229094 and 55229103.

It is not an unprimeable number, because it can be changed into a prime (55229131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26904 + ... + 28883.

It is an arithmetic number, because the mean of its divisors is an integer number (3263598).

Almost surely, 2^55229130 is an apocalyptic number.

55229130 is an abundant number, since it is smaller than the sum of its proper divisors (101423574).

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

55229130 is a wasteful number, since it uses less digits than its factorization.

55229130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55811 (or 55808 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55229130 is about 7431.6303729397. The cubic root of 55229130 is about 380.8226177410.

The spelling of 55229130 in words is "fifty-five million, two hundred twenty-nine thousand, one hundred thirty".