55064622 has 32 divisors (see below), whose sum is σ = 120971520. Its totient is φ = 16632000.

The previous prime is 55064609. The next prime is 55064623. The reversal of 55064622 is 22646055.

It is a super-2 number, since 2×55064622² = 6064225192005768, 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 55064622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55064623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7879 + ... + 13122.

It is an arithmetic number, because the mean of its divisors is an integer number (3780360).

Almost surely, 2^55064622 is an apocalyptic number.

55064622 is an abundant number, since it is smaller than the sum of its proper divisors (65906898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55064622 is a wasteful number, since it uses less digits than its factorization.

55064622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21048.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 55064622 is about 7420.5540224433. The cubic root of 55064622 is about 380.4441298382. Note that the first 3 decimals are identical.

The spelling of 55064622 in words is "fifty-five million, sixty-four thousand, six hundred twenty-two".