52478438 has 8 divisors (see below), whose sum is σ = 78800688. Its totient is φ = 26211544.

The previous prime is 52478423. The next prime is 52478441. The reversal of 52478438 is 83487425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52478395 and 52478404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11381 + ... + 15312.

It is an arithmetic number, because the mean of its divisors is an integer number (9850086).

Almost surely, 2^52478438 is an apocalyptic number.

52478438 is a deficient number, since it is larger than the sum of its proper divisors (26322250).

52478438 is a wasteful number, since it uses less digits than its factorization.

52478438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27678.

The product of its digits is 215040, while the sum is 41.

The square root of 52478438 is about 7244.2003009304. The cubic root of 52478438 is about 374.3923504156.

The spelling of 52478438 in words is "fifty-two million, four hundred seventy-eight thousand, four hundred thirty-eight".