53078538 has 8 divisors (see below), whose sum is σ = 106157088. Its totient is φ = 17692844.

The previous prime is 53078537. The next prime is 53078551. The reversal of 53078538 is 83587035.

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

53078538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 53078496 and 53078505.

It is not an unprimeable number, because it can be changed into a prime (53078537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4423206 + ... + 4423217.

It is an arithmetic number, because the mean of its divisors is an integer number (13269636).

Almost surely, 2^53078538 is an apocalyptic number.

53078538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53078538 is a wasteful number, since it uses less digits than its factorization.

53078538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846428.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 53078538 is about 7285.5019044675. The cubic root of 53078538 is about 375.8140254660.

The spelling of 53078538 in words is "fifty-three million, seventy-eight thousand, five hundred thirty-eight".