53448077 has 4 divisors (see below), whose sum is σ = 53869056. Its totient is φ = 53027100.

The previous prime is 53448053. The next prime is 53448079. The reversal of 53448077 is 77084435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77084435 = 5 ⋅15416887.

It is a cyclic number.

It is not a de Polignac number, because 53448077 - 2¹⁶ = 53382541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53448077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53448079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210299 + ... + 210552.

It is an arithmetic number, because the mean of its divisors is an integer number (13467264).

Almost surely, 2^53448077 is an apocalyptic number.

It is an amenable number.

53448077 is a deficient number, since it is larger than the sum of its proper divisors (420979).

53448077 is a wasteful number, since it uses less digits than its factorization.

53448077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420978.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 53448077 is about 7310.8191743470. The cubic root of 53448077 is about 376.6841630042.

The spelling of 53448077 in words is "fifty-three million, four hundred forty-eight thousand, seventy-seven".