53231378 has 8 divisors (see below), whose sum is σ = 80293680. Its totient is φ = 26466820.

The previous prime is 53231363. The next prime is 53231383. The reversal of 53231378 is 87313235.

53231378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73988 + ... + 74703.

It is an arithmetic number, because the mean of its divisors is an integer number (10036710).

Almost surely, 2^53231378 is an apocalyptic number.

53231378 is a deficient number, since it is larger than the sum of its proper divisors (27062302).

53231378 is a wasteful number, since it uses less digits than its factorization.

53231378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148872.

The product of its digits is 15120, while the sum is 32.

The square root of 53231378 is about 7295.9836896748. The cubic root of 53231378 is about 376.1743994417.

The spelling of 53231378 in words is "fifty-three million, two hundred thirty-one thousand, three hundred seventy-eight".