51976342 has 16 divisors (see below), whose sum is σ = 87352272. Its totient is φ = 22986720.

The previous prime is 51976333. The next prime is 51976349. The reversal of 51976342 is 24367915.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51976349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31113 + ... + 32740.

It is an arithmetic number, because the mean of its divisors is an integer number (5459517).

Almost surely, 2^51976342 is an apocalyptic number.

51976342 is a deficient number, since it is larger than the sum of its proper divisors (35375930).

51976342 is a wasteful number, since it uses less digits than its factorization.

51976342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63903.

The product of its digits is 45360, while the sum is 37.

The square root of 51976342 is about 7209.4619771520. The cubic root of 51976342 is about 373.1945021279.

The spelling of 51976342 in words is "fifty-one million, nine hundred seventy-six thousand, three hundred forty-two".