51403196 has 48 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 22589952.

The previous prime is 51403181. The next prime is 51403207. The reversal of 51403196 is 69130415.

51403196 = 1129² + 1130² + ... + 1167².

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134021 + ... + 134403.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^51403196 is an apocalyptic number.

It is an amenable number.

51403196 is a deficient number, since it is larger than the sum of its proper divisors (50203204).

51403196 is a wasteful number, since it uses less digits than its factorization.

51403196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 51403196 is about 7169.6022204862. The cubic root of 51403196 is about 371.8176834291.

The spelling of 51403196 in words is "fifty-one million, four hundred three thousand, one hundred ninety-six".