51669234 has 12 divisors (see below), whose sum is σ = 111950046. Its totient is φ = 17223072.

The previous prime is 51669209. The next prime is 51669253. The reversal of 51669234 is 43296615.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47568609 + 4100625 = 6897^2 + 2025^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1435239 + ... + 1435274.

Almost surely, 2^51669234 is an apocalyptic number.

51669234 is an abundant number, since it is smaller than the sum of its proper divisors (60280812).

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

51669234 is a wasteful number, since it uses less digits than its factorization.

51669234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870521 (or 2870518 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 51669234 is about 7188.1314679129. The cubic root of 51669234 is about 372.4580292937.

It can be divided in two parts, 5166 and 9234, that added together give a square (14400 = 120²).

The spelling of 51669234 in words is "fifty-one million, six hundred sixty-nine thousand, two hundred thirty-four".