51526394 has 16 divisors (see below), whose sum is σ = 80946432. Its totient is φ = 24552528.

The previous prime is 51526369. The next prime is 51526451. The reversal of 51526394 is 49362515.

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, 11567 + ... + 15389.

It is an arithmetic number, because the mean of its divisors is an integer number (5059152).

Almost surely, 2^51526394 is an apocalyptic number.

51526394 is a deficient number, since it is larger than the sum of its proper divisors (29420038).

51526394 is a wasteful number, since it uses less digits than its factorization.

51526394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141.

The product of its digits is 32400, while the sum is 35.

The square root of 51526394 is about 7178.1887687633. The cubic root of 51526394 is about 372.1144914866.

The spelling of 51526394 in words is "fifty-one million, five hundred twenty-six thousand, three hundred ninety-four".