53678730 has 32 divisors (see below), whose sum is σ = 147233664. Its totient is φ = 12269376.

The previous prime is 53678689. The next prime is 53678761. The reversal of 53678730 is 3787635.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 127597 + ... + 128016.

It is an arithmetic number, because the mean of its divisors is an integer number (4601052).

Almost surely, 2^53678730 is an apocalyptic number.

53678730 is an abundant number, since it is smaller than the sum of its proper divisors (93554934).

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

53678730 is a wasteful number, since it uses less digits than its factorization.

53678730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255630.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 53678730 is about 7326.5769633574. The cubic root of 53678730 is about 377.2252404723.

The spelling of 53678730 in words is "fifty-three million, six hundred seventy-eight thousand, seven hundred thirty".