51343458 has 32 divisors (see below), whose sum is σ = 106009344. Its totient is φ = 16568832.

The previous prime is 51343441. The next prime is 51343483. The reversal of 51343458 is 85434315.

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, 26416 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (3312792).

Almost surely, 2^51343458 is an apocalyptic number.

51343458 is an abundant number, since it is smaller than the sum of its proper divisors (54665886).

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

51343458 is a wasteful number, since it uses less digits than its factorization.

51343458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its digits is 28800, while the sum is 33.

The square root of 51343458 is about 7165.4349484173. The cubic root of 51343458 is about 371.6735921634.

The spelling of 51343458 in words is "fifty-one million, three hundred forty-three thousand, four hundred fifty-eight".