51774401 has 16 divisors (see below), whose sum is σ = 63991296. Its totient is φ = 40874496.

The previous prime is 51774397. The next prime is 51774419. The reversal of 51774401 is 10447715.

It is a cyclic number.

It is not a de Polignac number, because 51774401 - 2² = 51774397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51774461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (3999456).

Almost surely, 2^51774401 is an apocalyptic number.

It is an amenable number.

51774401 is a deficient number, since it is larger than the sum of its proper divisors (12216895).

51774401 is a wasteful number, since it uses less digits than its factorization.

51774401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 51774401 is about 7195.4430718337. The cubic root of 51774401 is about 372.7105570551.

The spelling of 51774401 in words is "fifty-one million, seven hundred seventy-four thousand, four hundred one".