51954349 has 8 divisors (see below), whose sum is σ = 52647480. Its totient is φ = 51265536.

The previous prime is 51954313. The next prime is 51954359. The reversal of 51954349 is 94345915.

It can be written as a sum of positive squares in 4 ways, for example, as 20088324 + 31866025 = 4482^2 + 5645^2 .

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 51954349 - 2¹¹ = 51952301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51954359) 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, 28147 + ... + 29935.

It is an arithmetic number, because the mean of its divisors is an integer number (6580935).

Almost surely, 2^51954349 is an apocalyptic number.

It is an amenable number.

51954349 is a deficient number, since it is larger than the sum of its proper divisors (693131).

51954349 is a wasteful number, since it uses less digits than its factorization.

51954349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its digits is 97200, while the sum is 40.

The square root of 51954349 is about 7207.9365285774. The cubic root of 51954349 is about 373.1418575061.

The spelling of 51954349 in words is "fifty-one million, nine hundred fifty-four thousand, three hundred forty-nine".