53347477 has 8 divisors (see below), whose sum is σ = 55405856. Its totient is φ = 51326352.

The previous prime is 53347471. The next prime is 53347507. The reversal of 53347477 is 77474335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53347477 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 (53347471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6378 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (6925732).

Almost surely, 2^53347477 is an apocalyptic number.

It is an amenable number.

53347477 is a deficient number, since it is larger than the sum of its proper divisors (2058379).

53347477 is a wasteful number, since it uses less digits than its factorization.

53347477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627.

The product of its digits is 246960, while the sum is 40.

The square root of 53347477 is about 7303.9357198705. The cubic root of 53347477 is about 376.4476828613.

It can be divided in two parts, 53347 and 477, that added together give a square (53824 = 232²).

The spelling of 53347477 in words is "fifty-three million, three hundred forty-seven thousand, four hundred seventy-seven".