51419760 has 160 divisors (see below), whose sum is σ = 184369152. Its totient is φ = 11612160.

The previous prime is 51419729. The next prime is 51419761. The reversal of 51419760 is 6791415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51419761) 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, 213240 + ... + 213480.

Almost surely, 2^51419760 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 51419760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92184576).

51419760 is an abundant number, since it is smaller than the sum of its proper divisors (132949392).

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

51419760 is a wasteful number, since it uses less digits than its factorization.

51419760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 51419760 is about 7170.7572821844. The cubic root of 51419760 is about 371.8576169169.

The spelling of 51419760 in words is "fifty-one million, four hundred nineteen thousand, seven hundred sixty".