51410378 has 4 divisors (see below), whose sum is σ = 77115570. Its totient is φ = 25705188.

The previous prime is 51410357. The next prime is 51410383. The reversal of 51410378 is 87301415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 25532809 = 5087^2 + 5053^2 .

It is a super-2 number, since 2×51410378² = 5286053932205768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51410378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12852593 + ... + 12852596.

Almost surely, 2^51410378 is an apocalyptic number.

51410378 is a deficient number, since it is larger than the sum of its proper divisors (25705192).

51410378 is a wasteful number, since it uses less digits than its factorization.

51410378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25705191.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 51410378 is about 7170.1030675995. The cubic root of 51410378 is about 371.8349992801.

It can be divided in two parts, 5 and 1410378, that multiplied together give a triangular number (7051890 = T₃₇₅₅).

The spelling of 51410378 in words is "fifty-one million, four hundred ten thousand, three hundred seventy-eight".