53780833 has 8 divisors (see below), whose sum is σ = 55482560. Its totient is φ = 52105680.

The previous prime is 53780813. The next prime is 53780851. The reversal of 53780833 is 33808735.

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-53780833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53780792 and 53780801.

It is not an unprimeable number, because it can be changed into a prime (53780813) 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, 2493 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (6935320).

Almost surely, 2^53780833 is an apocalyptic number.

It is an amenable number.

53780833 is a deficient number, since it is larger than the sum of its proper divisors (1701727).

53780833 is a wasteful number, since it uses less digits than its factorization.

53780833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13287.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 53780833 is about 7333.5416409808. The cubic root of 53780833 is about 377.4642639739.

The spelling of 53780833 in words is "fifty-three million, seven hundred eighty thousand, eight hundred thirty-three".