51740366 has 4 divisors (see below), whose sum is σ = 77610552. Its totient is φ = 25870182.

The previous prime is 51740357. The next prime is 51740371. The reversal of 51740366 is 66304715.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12935090 + ... + 12935093.

It is an arithmetic number, because the mean of its divisors is an integer number (19402638).

Almost surely, 2^51740366 is an apocalyptic number.

51740366 is a deficient number, since it is larger than the sum of its proper divisors (25870186).

51740366 is a wasteful number, since it uses less digits than its factorization.

51740366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25870185.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 51740366 is about 7193.0776445135. The cubic root of 51740366 is about 372.6288694243.

The spelling of 51740366 in words is "fifty-one million, seven hundred forty thousand, three hundred sixty-six".