51404496 has 80 divisors (see below), whose sum is σ = 156031680. Its totient is φ = 14376960.

The previous prime is 51404489. The next prime is 51404503. The reversal of 51404496 is 69440415.

It is an interprime number because it is at equal distance from previous prime (51404489) and next prime (51404503).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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, 3120 + ... + 10608.

It is an arithmetic number, because the mean of its divisors is an integer number (1950396).

Almost surely, 2^51404496 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 51404496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78015840).

51404496 is an abundant number, since it is smaller than the sum of its proper divisors (104627184).

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

51404496 is a wasteful number, since it uses less digits than its factorization.

51404496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 51404496 is about 7169.6928804517. The cubic root of 51404496 is about 371.8208178575.

The spelling of 51404496 in words is "fifty-one million, four hundred four thousand, four hundred ninety-six".