53404895 has 8 divisors (see below), whose sum is σ = 64806480. Its totient is φ = 42243520.

The previous prime is 53404891. The next prime is 53404903. The reversal of 53404895 is 59840435.

It is a happy number.

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

It is not a de Polignac number, because 53404895 - 2² = 53404891 is a prime.

It is a super-2 number, since 2×53404895² = 5704165619922050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53404891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59561 + ... + 60450.

It is an arithmetic number, because the mean of its divisors is an integer number (8100810).

Almost surely, 2^53404895 is an apocalyptic number.

53404895 is a deficient number, since it is larger than the sum of its proper divisors (11401585).

53404895 is a wasteful number, since it uses less digits than its factorization.

53404895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120105.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 53404895 is about 7307.8652833779. The cubic root of 53404895 is about 376.5826915764.

The spelling of 53404895 in words is "fifty-three million, four hundred four thousand, eight hundred ninety-five".