51333045 has 32 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 26256384.

The previous prime is 51333043. The next prime is 51333053. The reversal of 51333045 is 54033315.

It is a happy number.

It is not a de Polignac number, because 51333045 - 2¹ = 51333043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86269 + ... + 86861.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^51333045 is an apocalyptic number.

It is an amenable number.

51333045 is a deficient number, since it is larger than the sum of its proper divisors (34202955).

51333045 is a wasteful number, since it uses less digits than its factorization.

51333045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 51333045 is about 7164.7082983189. The cubic root of 51333045 is about 371.6484640105.

The spelling of 51333045 in words is "fifty-one million, three hundred thirty-three thousand, forty-five".