53477533 has 4 divisors (see below), whose sum is σ = 56292160. Its totient is φ = 50662908.

The previous prime is 53477513. The next prime is 53477551. The reversal of 53477533 is 33577435.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53477533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53477492 and 53477501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53477513) 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, 1407285 + ... + 1407322.

It is an arithmetic number, because the mean of its divisors is an integer number (14073040).

Almost surely, 2^53477533 is an apocalyptic number.

It is an amenable number.

53477533 is a deficient number, since it is larger than the sum of its proper divisors (2814627).

53477533 is a wasteful number, since it uses less digits than its factorization.

53477533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814626.

The product of its digits is 132300, while the sum is 37.

The square root of 53477533 is about 7312.8334453890. The cubic root of 53477533 is about 376.7533489733.

It can be divided in two parts, 5347 and 7533, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 53477533 in words is "fifty-three million, four hundred seventy-seven thousand, five hundred thirty-three".