55620334 has 32 divisors (see below), whose sum is σ = 109497600. Its totient is φ = 20528640.

The previous prime is 55620329. The next prime is 55620343. The reversal of 55620334 is 43302655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6579 + ... + 12430.

It is an arithmetic number, because the mean of its divisors is an integer number (3421800).

Almost surely, 2^55620334 is an apocalyptic number.

55620334 is a deficient number, since it is larger than the sum of its proper divisors (53877266).

55620334 is a wasteful number, since it uses less digits than its factorization.

55620334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19048.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 55620334 is about 7457.9041291773. The cubic root of 55620334 is about 381.7196621956.

Adding to 55620334 its reverse (43302655), we get a palindrome (98922989).

The spelling of 55620334 in words is "fifty-five million, six hundred twenty thousand, three hundred thirty-four".