51619882 has 8 divisors (see below), whose sum is σ = 78585696. Its totient is φ = 25424652.

The previous prime is 51619879. The next prime is 51619891. The reversal of 51619882 is 28891615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51619882² = 5329224435387848, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 192478 + ... + 192745.

It is an arithmetic number, because the mean of its divisors is an integer number (9823212).

Almost surely, 2^51619882 is an apocalyptic number.

51619882 is a deficient number, since it is larger than the sum of its proper divisors (26965814).

51619882 is a wasteful number, since it uses less digits than its factorization.

51619882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385292.

The product of its digits is 34560, while the sum is 40.

The square root of 51619882 is about 7184.6977667818. The cubic root of 51619882 is about 372.3394067741.

The spelling of 51619882 in words is "fifty-one million, six hundred nineteen thousand, eight hundred eighty-two".