51672045 has 8 divisors (see below), whose sum is σ = 82675296. Its totient is φ = 27558416.

The previous prime is 51672041. The next prime is 51672067. The reversal of 51672045 is 54027615.

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

It is a cyclic number.

It is not a de Polignac number, because 51672045 - 2² = 51672041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51672041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722387 + ... + 1722416.

It is an arithmetic number, because the mean of its divisors is an integer number (10334412).

Almost surely, 2^51672045 is an apocalyptic number.

It is an amenable number.

51672045 is a deficient number, since it is larger than the sum of its proper divisors (31003251).

51672045 is a wasteful number, since it uses less digits than its factorization.

51672045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444811.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 51672045 is about 7188.3269959011. The cubic root of 51672045 is about 372.4647835422.

The spelling of 51672045 in words is "fifty-one million, six hundred seventy-two thousand, forty-five".