51155332 has 24 divisors (see below), whose sum is σ = 93938432. Its totient is φ = 24343200.

The previous prime is 51155311. The next prime is 51155347. The reversal of 51155332 is 23355115.

It is a junction number, because it is equal to n+sod(n) for n = 51155297 and 51155306.

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, 4183 + ... + 10945.

Almost surely, 2^51155332 is an apocalyptic number.

It is an amenable number.

51155332 is a deficient number, since it is larger than the sum of its proper divisors (42783100).

51155332 is a wasteful number, since it uses less digits than its factorization.

51155332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859 (or 6857 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 51155332 is about 7152.2955755478. The cubic root of 51155332 is about 371.2190906409.

The spelling of 51155332 in words is "fifty-one million, one hundred fifty-five thousand, three hundred thirty-two".