52478357 has 8 divisors (see below), whose sum is σ = 53389440. Its totient is φ = 51573600.

The previous prime is 52478347. The next prime is 52478359. The reversal of 52478357 is 75387425.

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

It is a cyclic number.

It is not a de Polignac number, because 52478357 - 2¹⁴ = 52461973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16982 + ... + 19832.

It is an arithmetic number, because the mean of its divisors is an integer number (6673680).

Almost surely, 2^52478357 is an apocalyptic number.

It is an amenable number.

52478357 is a deficient number, since it is larger than the sum of its proper divisors (911083).

52478357 is a wasteful number, since it uses less digits than its factorization.

52478357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163.

The product of its digits is 235200, while the sum is 41.

The square root of 52478357 is about 7244.1947102490. The cubic root of 52478357 is about 374.3921577918.

The spelling of 52478357 in words is "fifty-two million, four hundred seventy-eight thousand, three hundred fifty-seven".