51774612 has 12 divisors (see below), whose sum is σ = 120807456. Its totient is φ = 17258200.

The previous prime is 51774577. The next prime is 51774617. The reversal of 51774612 is 21647715.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×51774612² = 5361220895501088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51774617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2157264 + ... + 2157287.

It is an arithmetic number, because the mean of its divisors is an integer number (10067288).

Almost surely, 2^51774612 is an apocalyptic number.

It is an amenable number.

51774612 is an abundant number, since it is smaller than the sum of its proper divisors (69032844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51774612 is a wasteful number, since it uses less digits than its factorization.

51774612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314558 (or 4314556 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 51774612 is about 7195.4577338763. The cubic root of 51774612 is about 372.7110633659.

The spelling of 51774612 in words is "fifty-one million, seven hundred seventy-four thousand, six hundred twelve".