52623331 has 6 divisors (see below), whose sum is σ = 55539132. Its totient is φ = 49853340.

The previous prime is 52623299. The next prime is 52623343. The reversal of 52623331 is 13332625.

It is a happy number.

It is not a de Polignac number, because 52623331 - 2⁵ = 52623299 is a prime.

It is a super-2 number, since 2×52623331² = 5538429931071122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52623296 and 52623305.

It is not an unprimeable number, because it can be changed into a prime (52623391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72525 + ... + 73246.

It is an arithmetic number, because the mean of its divisors is an integer number (9256522).

Almost surely, 2^52623331 is an apocalyptic number.

52623331 is a deficient number, since it is larger than the sum of its proper divisors (2915801).

52623331 is a wasteful number, since it uses less digits than its factorization.

52623331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145809 (or 145790 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 52623331 is about 7254.1940282846. The cubic root of 52623331 is about 374.7365996232.

Adding to 52623331 its reverse (13332625), we get a palindrome (65955956).

The spelling of 52623331 in words is "fifty-two million, six hundred twenty-three thousand, three hundred thirty-one".