51407356 has 96 divisors (see below), whose sum is σ = 124411392. Its totient is φ = 17936640.

The previous prime is 51407341. The next prime is 51407359. The reversal of 51407356 is 65370415.

51407356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51407359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147975 + ... + 148321.

It is an arithmetic number, because the mean of its divisors is an integer number (1295952).

Almost surely, 2^51407356 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 51407356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62205696).

51407356 is an abundant number, since it is smaller than the sum of its proper divisors (73004036).

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

51407356 is a wasteful number, since it uses less digits than its factorization.

51407356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 51407356 is about 7169.8923283408. The cubic root of 51407356 is about 371.8277134140.

The spelling of 51407356 in words is "fifty-one million, four hundred seven thousand, three hundred fifty-six".