53073477 has 24 divisors (see below), whose sum is σ = 78423800. Its totient is φ = 34577280.

The previous prime is 53073467. The next prime is 53073487. The reversal of 53073477 is 77437035.

53073477 is a `hidden beast` number, since 5 + 307 + 347 + 7 = 666.

53073477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53073467) and next prime (53073487).

It can be written as a sum of positive squares in 4 ways, for example, as 60516 + 53012961 = 246^2 + 7281^2 .

It is not a de Polignac number, because 53073477 - 2⁸ = 53073221 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 (53073467) 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 23 ways as a sum of consecutive naturals, for example, 151899 + ... + 152247.

Almost surely, 2^53073477 is an apocalyptic number.

It is an amenable number.

53073477 is a deficient number, since it is larger than the sum of its proper divisors (25350323).

53073477 is a wasteful number, since it uses less digits than its factorization.

53073477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 53073477 is about 7285.1545625333. The cubic root of 53073477 is about 375.8020805550.

The spelling of 53073477 in words is "fifty-three million, seventy-three thousand, four hundred seventy-seven".