51742080 has 192 divisors, whose sum is σ = 192694320. Its totient is φ = 12718080.

The previous prime is 51742063. The next prime is 51742099. The reversal of 51742080 is 8024715.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-3 number, since 3×51742080³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74535 + ... + 75225.

Almost surely, 2^51742080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51742080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96347160).

51742080 is an abundant number, since it is smaller than the sum of its proper divisors (140952240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51742080 is a wasteful number, since it uses less digits than its factorization.

51742080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 51742080 is about 7193.1967858526. The cubic root of 51742080 is about 372.6329840636.

Adding to 51742080 its reverse (8024715), we get a palindrome (59766795).

The spelling of 51742080 in words is "fifty-one million, seven hundred forty-two thousand, eighty".