51403296 has 48 divisors (see below), whose sum is σ = 154211904. Its totient is φ = 14686464.

The previous prime is 51403277. The next prime is 51403309. The reversal of 51403296 is 69230415.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37575 + ... + 38918.

It is an arithmetic number, because the mean of its divisors is an integer number (3212748).

Almost surely, 2^51403296 is an apocalyptic number.

51403296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51403296 is an abundant number, since it is smaller than the sum of its proper divisors (102808608).

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

51403296 is a wasteful number, since it uses less digits than its factorization.

51403296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76513 (or 76505 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 51403296 is about 7169.6091943704. The cubic root of 51403296 is about 371.8179245409.

The spelling of 51403296 in words is "fifty-one million, four hundred three thousand, two hundred ninety-six".