51120760 has 32 divisors (see below), whose sum is σ = 115473600. Its totient is φ = 20368000.

The previous prime is 51120749. The next prime is 51120761. The reversal of 51120760 is 6702115.

It is a super-2 number, since 2×51120760² = 5226664205955200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51120761) 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, 8385 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (3608550).

Almost surely, 2^51120760 is an apocalyptic number.

It is an amenable number.

51120760 is an abundant number, since it is smaller than the sum of its proper divisors (64352840).

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

51120760 is a wasteful number, since it uses less digits than its factorization.

51120760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 51120760 is about 7149.8783206429. The cubic root of 51120760 is about 371.1354455406.

Adding to 51120760 its reverse (6702115), we get a palindrome (57822875).

The spelling of 51120760 in words is "fifty-one million, one hundred twenty thousand, seven hundred sixty".