53220106 has 4 divisors (see below), whose sum is σ = 79830162. Its totient is φ = 26610052.

The previous prime is 53220103. The next prime is 53220107. The reversal of 53220106 is 60102235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60102235 = 5 ⋅12020447.

It can be written as a sum of positive squares in only one way, i.e., 29062881 + 24157225 = 5391^2 + 4915^2 .

It is not an unprimeable number, because it can be changed into a prime (53220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13305025 + ... + 13305028.

Almost surely, 2^53220106 is an apocalyptic number.

53220106 is a deficient number, since it is larger than the sum of its proper divisors (26610056).

53220106 is a wasteful number, since it uses less digits than its factorization.

53220106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610055.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53220106 is about 7295.2111689793. The cubic root of 53220106 is about 376.1478453219.

The spelling of 53220106 in words is "fifty-three million, two hundred twenty thousand, one hundred six".