55242310 has 64 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 19837440.

The previous prime is 55242301. The next prime is 55242311. The reversal of 55242310 is 1324255.

It is a super-2 number, since 2×55242310² = 6103425628272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488814 + ... + 488926.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^55242310 is an apocalyptic number.

55242310 is a deficient number, since it is larger than the sum of its proper divisors (55073210).

55242310 is a wasteful number, since it uses less digits than its factorization.

55242310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55242310 is about 7432.5170702798. The cubic root of 55242310 is about 380.8529087781.

Adding to 55242310 its reverse (1324255), we get a palindrome (56566565).

The spelling of 55242310 in words is "fifty-five million, two hundred forty-two thousand, three hundred ten".