52315622 has 4 divisors (see below), whose sum is σ = 78473436. Its totient is φ = 26157810.

The previous prime is 52315621. The next prime is 52315633. The reversal of 52315622 is 22651325.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 52315591 and 52315600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52315621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13078904 + ... + 13078907.

It is an arithmetic number, because the mean of its divisors is an integer number (19618359).

Almost surely, 2^52315622 is an apocalyptic number.

52315622 is a deficient number, since it is larger than the sum of its proper divisors (26157814).

52315622 is a wasteful number, since it uses less digits than its factorization.

52315622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26157813.

The product of its digits is 3600, while the sum is 26.

The square root of 52315622 is about 7232.9538917375. The cubic root of 52315622 is about 374.0047612994.

Adding to 52315622 its reverse (22651325), we get a palindrome (74966947).

The spelling of 52315622 in words is "fifty-two million, three hundred fifteen thousand, six hundred twenty-two".