51267772 has 24 divisors (see below), whose sum is σ = 91276416. Its totient is φ = 25192368.

The previous prime is 51267673. The next prime is 51267779. The reversal of 51267772 is 27776215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51267779) 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, 101673 + ... + 102175.

It is an arithmetic number, because the mean of its divisors is an integer number (3803184).

Almost surely, 2^51267772 is an apocalyptic number.

It is an amenable number.

51267772 is a deficient number, since it is larger than the sum of its proper divisors (40008644).

51267772 is a wasteful number, since it uses less digits than its factorization.

51267772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 51267772 is about 7160.1516743712. The cubic root of 51267772 is about 371.4908728686.

The spelling of 51267772 in words is "fifty-one million, two hundred sixty-seven thousand, seven hundred seventy-two".