55313522 has 16 divisors (see below), whose sum is σ = 95277600. Its totient is φ = 23819040.

The previous prime is 55313513. The next prime is 55313537. The reversal of 55313522 is 22531355.

It is a junction number, because it is equal to n+sod(n) for n = 55313491 and 55313500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65747 + ... + 66582.

It is an arithmetic number, because the mean of its divisors is an integer number (5954850).

Almost surely, 2^55313522 is an apocalyptic number.

55313522 is a deficient number, since it is larger than the sum of its proper divisors (39964078).

55313522 is a wasteful number, since it uses less digits than its factorization.

55313522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132361.

The product of its digits is 4500, while the sum is 26.

The square root of 55313522 is about 7437.3060983127. The cubic root of 55313522 is about 381.0164890231.

Adding to 55313522 its reverse (22531355), we get a palindrome (77844877).

The spelling of 55313522 in words is "fifty-five million, three hundred thirteen thousand, five hundred twenty-two".