55150230 has 16 divisors (see below), whose sum is σ = 132360624. Its totient is φ = 14706720.

The previous prime is 55150219. The next prime is 55150231. The reversal of 55150230 is 3205155.

It is a junction number, because it is equal to n+sod(n) for n = 55150197 and 55150206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919141 + ... + 919200.

It is an arithmetic number, because the mean of its divisors is an integer number (8272539).

Almost surely, 2^55150230 is an apocalyptic number.

55150230 is an abundant number, since it is smaller than the sum of its proper divisors (77210394).

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

55150230 is a wasteful number, since it uses less digits than its factorization.

55150230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838351.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 55150230 is about 7426.3200846718. The cubic root of 55150230 is about 380.6411843550.

Adding to 55150230 its reverse (3205155), we get a palindrome (58355385).

The spelling of 55150230 in words is "fifty-five million, one hundred fifty thousand, two hundred thirty".