53407633 has 4 divisors (see below), whose sum is σ = 55729728. Its totient is φ = 51085540.

The previous prime is 53407631. The next prime is 53407681. The reversal of 53407633 is 33670435.

It is the 2984-th star number.

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 not a de Polignac number, because 53407633 - 2¹ = 53407631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53407595 and 53407604.

It is not an unprimeable number, because it can be changed into a prime (53407631) 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, 1161013 + ... + 1161058.

It is an arithmetic number, because the mean of its divisors is an integer number (13932432).

Almost surely, 2^53407633 is an apocalyptic number.

It is an amenable number.

53407633 is a deficient number, since it is larger than the sum of its proper divisors (2322095).

53407633 is a wasteful number, since it uses less digits than its factorization.

53407633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322094.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 53407633 is about 7308.0526133848. The cubic root of 53407633 is about 376.5891271025.

The spelling of 53407633 in words is "fifty-three million, four hundred seven thousand, six hundred thirty-three".