51859074 has 16 divisors (see below), whose sum is σ = 103932000. Its totient is φ = 17250720.

The previous prime is 51859057. The next prime is 51859079. The reversal of 51859074 is 47095815.

It is a super-2 number, since 2×51859074² = 5378727112274952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51859079) 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, 5667 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (6495750).

Almost surely, 2^51859074 is an apocalyptic number.

51859074 is an abundant number, since it is smaller than the sum of its proper divisors (52072926).

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

51859074 is a wasteful number, since it uses less digits than its factorization.

51859074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17825.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 51859074 is about 7201.3244615140. The cubic root of 51859074 is about 372.9136260890.

The spelling of 51859074 in words is "fifty-one million, eight hundred fifty-nine thousand, seventy-four".