51670446 has 16 divisors (see below), whose sum is σ = 109419984. Its totient is φ = 16210304.

The previous prime is 51670439. The next prime is 51670447. The reversal of 51670446 is 64407615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51670447) 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, 253185 + ... + 253388.

It is an arithmetic number, because the mean of its divisors is an integer number (6838749).

Almost surely, 2^51670446 is an apocalyptic number.

51670446 is an abundant number, since it is smaller than the sum of its proper divisors (57749538).

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

51670446 is a wasteful number, since it uses less digits than its factorization.

51670446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506595.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 51670446 is about 7188.2157730552. The cubic root of 51670446 is about 372.4609415077.

The spelling of 51670446 in words is "fifty-one million, six hundred seventy thousand, four hundred forty-six".