53987402 has 8 divisors (see below), whose sum is σ = 92549856. Its totient is φ = 23137452.

The previous prime is 53987389. The next prime is 53987407. The reversal of 53987402 is 20478935.

53987402 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 not an unprimeable number, because it can be changed into a prime (53987407) by changing a digit.

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, 1928108 + ... + 1928135.

It is an arithmetic number, because the mean of its divisors is an integer number (11568732).

Almost surely, 2^53987402 is an apocalyptic number.

53987402 is a deficient number, since it is larger than the sum of its proper divisors (38562454).

53987402 is a wasteful number, since it uses less digits than its factorization.

53987402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856252.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 53987402 is about 7347.6119930220. The cubic root of 53987402 is about 377.9469191909.

The spelling of 53987402 in words is "fifty-three million, nine hundred eighty-seven thousand, four hundred two".