51190672 has 80 divisors (see below), whose sum is σ = 116992512. Its totient is φ = 21473280.

The previous prime is 51190609. The next prime is 51190679. The reversal of 51190672 is 27609115.

It is a super-3 number, since 3×51190672³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (51190679) 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 15 ways as a sum of consecutive naturals, for example, 109383 + ... + 109849.

Almost surely, 2^51190672 is an apocalyptic number.

51190672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51190672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58496256).

51190672 is an abundant number, since it is smaller than the sum of its proper divisors (65801840).

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

51190672 is a wasteful number, since it uses less digits than its factorization.

51190672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 51190672 is about 7154.7656844931. The cubic root of 51190672 is about 371.3045549337.

Adding to 51190672 its reverse (27609115), we get a palindrome (78799787).

The spelling of 51190672 in words is "fifty-one million, one hundred ninety thousand, six hundred seventy-two".