52430438 has 4 divisors (see below), whose sum is σ = 78645660. Its totient is φ = 26215218.

The previous prime is 52430437. The next prime is 52430449. The reversal of 52430438 is 83403425.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52430438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52430437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13107608 + ... + 13107611.

It is an arithmetic number, because the mean of its divisors is an integer number (19661415).

Almost surely, 2^52430438 is an apocalyptic number.

52430438 is a deficient number, since it is larger than the sum of its proper divisors (26215222).

52430438 is a wasteful number, since it uses less digits than its factorization.

52430438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26215221.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 52430438 is about 7240.8865479304. The cubic root of 52430438 is about 374.2781681891.

The spelling of 52430438 in words is "fifty-two million, four hundred thirty thousand, four hundred thirty-eight".