55371230 has 32 divisors (see below), whose sum is σ = 102169728. Its totient is φ = 21600000.

The previous prime is 55371223. The next prime is 55371233. The reversal of 55371230 is 3217355.

It is a super-2 number, since 2×55371230² = 6131946223425800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55371230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55371233) 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, 73355 + ... + 74105.

It is an arithmetic number, because the mean of its divisors is an integer number (3192804).

Almost surely, 2^55371230 is an apocalyptic number.

55371230 is a deficient number, since it is larger than the sum of its proper divisors (46798498).

55371230 is a wasteful number, since it uses less digits than its factorization.

55371230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55371230 is about 7441.1847175030. The cubic root of 55371230 is about 381.1489464323.

Adding to 55371230 its reverse (3217355), we get a palindrome (58588585).

The spelling of 55371230 in words is "fifty-five million, three hundred seventy-one thousand, two hundred thirty".