51471357 has 8 divisors (see below), whose sum is σ = 78432576. Its totient is φ = 29412192.

The previous prime is 51471353. The next prime is 51471367. The reversal of 51471357 is 75317415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51471357 - 2² = 51471353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51471353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225488 + ... + 1225529.

It is an arithmetic number, because the mean of its divisors is an integer number (9804072).

Almost surely, 2^51471357 is an apocalyptic number.

It is an amenable number.

51471357 is a deficient number, since it is larger than the sum of its proper divisors (26961219).

51471357 is a wasteful number, since it uses less digits than its factorization.

51471357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451027.

The product of its digits is 14700, while the sum is 33.

The square root of 51471357 is about 7174.3541172708. The cubic root of 51471357 is about 371.9819551312.

The spelling of 51471357 in words is "fifty-one million, four hundred seventy-one thousand, three hundred fifty-seven".