53420587 has 4 divisors (see below), whose sum is σ = 58277016. Its totient is φ = 48564160.

The previous prime is 53420569. The next prime is 53420603. The reversal of 53420587 is 78502435.

It is a happy number.

53420587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53420587 - 2⁷ = 53420459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53420557) 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, 2428198 + ... + 2428219.

It is an arithmetic number, because the mean of its divisors is an integer number (14569254).

Almost surely, 2^53420587 is an apocalyptic number.

53420587 is a deficient number, since it is larger than the sum of its proper divisors (4856429).

53420587 is a wasteful number, since it uses less digits than its factorization.

53420587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856428.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 53420587 is about 7308.9388422670. The cubic root of 53420587 is about 376.6195718219.

The spelling of 53420587 in words is "fifty-three million, four hundred twenty thousand, five hundred eighty-seven".