51400601 has 8 divisors (see below), whose sum is σ = 59193024. Its totient is φ = 43720560.

The previous prime is 51400579. The next prime is 51400621. The reversal of 51400601 is 10600415.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51400601 - 2¹⁸ = 51138457 is a prime.

It is a super-2 number, since 2×51400601² = 5284043566322402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51400601.

It is not an unprimeable number, because it can be changed into a prime (51400621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27110 + ... + 28943.

It is an arithmetic number, because the mean of its divisors is an integer number (7399128).

Almost surely, 2^51400601 is an apocalyptic number.

It is an amenable number.

51400601 is a deficient number, since it is larger than the sum of its proper divisors (7792423).

51400601 is a wasteful number, since it uses less digits than its factorization.

51400601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56191.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51400601 is about 7169.4212458189. The cubic root of 51400601 is about 371.8114264698.

The spelling of 51400601 in words is "fifty-one million, four hundred thousand, six hundred one".