51675742 has 8 divisors (see below), whose sum is σ = 78976296. Its totient is φ = 25350312.

The previous prime is 51675739. The next prime is 51675749. The reversal of 51675742 is 24757615.

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

It is a super-2 number, since 2×51675742² = 5340764622501128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51675749) 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 3 ways as a sum of consecutive naturals, for example, 243648 + ... + 243859.

It is an arithmetic number, because the mean of its divisors is an integer number (9872037).

Almost surely, 2^51675742 is an apocalyptic number.

51675742 is a deficient number, since it is larger than the sum of its proper divisors (27300554).

51675742 is a wasteful number, since it uses less digits than its factorization.

51675742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487562.

The product of its digits is 58800, while the sum is 37.

The square root of 51675742 is about 7188.5841443222. The cubic root of 51675742 is about 372.4736662915.

The spelling of 51675742 in words is "fifty-one million, six hundred seventy-five thousand, seven hundred forty-two".