51025378 has 8 divisors (see below), whose sum is σ = 76704768. Its totient is φ = 25457124.

The previous prime is 51025367. The next prime is 51025399. The reversal of 51025378 is 87352015.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26626 + ... + 28477.

It is an arithmetic number, because the mean of its divisors is an integer number (9588096).

Almost surely, 2^51025378 is an apocalyptic number.

51025378 is a deficient number, since it is larger than the sum of its proper divisors (25679390).

51025378 is a wasteful number, since it uses less digits than its factorization.

51025378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55568.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 51025378 is about 7143.2050229571. The cubic root of 51025378 is about 370.9044781845.

The spelling of 51025378 in words is "fifty-one million, twenty-five thousand, three hundred seventy-eight".