51470398 has 32 divisors (see below), whose sum is σ = 90959616. Its totient is φ = 21385728.

The previous prime is 51470383. The next prime is 51470401. The reversal of 51470398 is 89307415.

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, 115965 + ... + 116407.

It is an arithmetic number, because the mean of its divisors is an integer number (2842488).

Almost surely, 2^51470398 is an apocalyptic number.

51470398 is a deficient number, since it is larger than the sum of its proper divisors (39489218).

51470398 is a wasteful number, since it uses less digits than its factorization.

51470398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 51470398 is about 7174.2872816747. The cubic root of 51470398 is about 371.9796448954.

The spelling of 51470398 in words is "fifty-one million, four hundred seventy thousand, three hundred ninety-eight".