55212934 has 16 divisors (see below), whose sum is σ = 94752000. Its totient is φ = 23637384.

The previous prime is 55212929. The next prime is 55212947. The reversal of 55212934 is 43921255.

It is a junction number, because it is equal to n+sod(n) for n = 55212896 and 55212905.

It is a congruent number.

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, 18177 + ... + 20995.

It is an arithmetic number, because the mean of its divisors is an integer number (5922000).

Almost surely, 2^55212934 is an apocalyptic number.

55212934 is a deficient number, since it is larger than the sum of its proper divisors (39539066).

55212934 is a wasteful number, since it uses less digits than its factorization.

55212934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its digits is 10800, while the sum is 31.

The square root of 55212934 is about 7430.5406263609. The cubic root of 55212934 is about 380.7853885582.

The spelling of 55212934 in words is "fifty-five million, two hundred twelve thousand, nine hundred thirty-four".