51077412 has 24 divisors (see below), whose sum is σ = 132423200. Its totient is φ = 17025768.

The previous prime is 51077399. The next prime is 51077419. The reversal of 51077412 is 21477015.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51077419) 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, 236362 + ... + 236577.

Almost surely, 2^51077412 is an apocalyptic number.

It is an amenable number.

51077412 is an abundant number, since it is smaller than the sum of its proper divisors (81345788).

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

51077412 is a wasteful number, since it uses less digits than its factorization.

51077412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472952 (or 472944 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 51077412 is about 7146.8462974937. The cubic root of 51077412 is about 371.0305140756.

The spelling of 51077412 in words is "fifty-one million, seventy-seven thousand, four hundred twelve".