52144630 has 32 divisors (see below), whose sum is σ = 96788448. Its totient is φ = 20217600.

The previous prime is 52144597. The next prime is 52144643. The reversal of 52144630 is 3644125.

It is a junction number, because it is equal to n+sod(n) for n = 52144595 and 52144604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43945 + ... + 45115.

It is an arithmetic number, because the mean of its divisors is an integer number (3024639).

Almost surely, 2^52144630 is an apocalyptic number.

52144630 is a deficient number, since it is larger than the sum of its proper divisors (44643818).

52144630 is a wasteful number, since it uses less digits than its factorization.

52144630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 52144630 is about 7221.1238737471. The cubic root of 52144630 is about 373.5968422029.

Adding to 52144630 its reverse (3644125), we get a palindrome (55788755).

The spelling of 52144630 in words is "fifty-two million, one hundred forty-four thousand, six hundred thirty".