53350978 has 8 divisors (see below), whose sum is σ = 80059968. Its totient is φ = 26664324.

The previous prime is 53350939. The next prime is 53350987. The reversal of 53350978 is 87905335.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53350978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (10007496).

Almost surely, 2^53350978 is an apocalyptic number.

53350978 is a deficient number, since it is larger than the sum of its proper divisors (26708990).

53350978 is a wasteful number, since it uses less digits than its factorization.

53350978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 53350978 is about 7304.1753812460. The cubic root of 53350978 is about 376.4559176431.

The spelling of 53350978 in words is "fifty-three million, three hundred fifty thousand, nine hundred seventy-eight".