53422487 has 6 divisors (see below), whose sum is σ = 54906768. Its totient is φ = 51977304.

The previous prime is 53422429. The next prime is 53422489. The reversal of 53422487 is 78422435.

It is not a de Polignac number, because 53422487 - 2⁸ = 53422231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53422489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18143 + ... + 20880.

It is an arithmetic number, because the mean of its divisors is an integer number (9151128).

Almost surely, 2^53422487 is an apocalyptic number.

53422487 is a deficient number, since it is larger than the sum of its proper divisors (1484281).

53422487 is an equidigital number, since it uses as much as digits as its factorization.

53422487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39097 (or 39060 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 53422487 is about 7309.0688189399. The cubic root of 53422487 is about 376.6240368215.

The spelling of 53422487 in words is "fifty-three million, four hundred twenty-two thousand, four hundred eighty-seven".