51411572 has 6 divisors (see below), whose sum is σ = 89970258. Its totient is φ = 25705784.

The previous prime is 51411559. The next prime is 51411583. The reversal of 51411572 is 27511415.

It can be written as a sum of positive squares in only one way, i.e., 26770276 + 24641296 = 5174^2 + 4964^2 .

It is a super-2 number, since 2×51411572² = 5286299471022368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6426443 + ... + 6426450.

It is an arithmetic number, because the mean of its divisors is an integer number (14995043).

Almost surely, 2^51411572 is an apocalyptic number.

It is an amenable number.

51411572 is a deficient number, since it is larger than the sum of its proper divisors (38558686).

51411572 is a wasteful number, since it uses less digits than its factorization.

51411572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852897 (or 12852895 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 51411572 is about 7170.1863295175. The cubic root of 51411572 is about 371.8378778659.

Adding to 51411572 its reverse (27511415), we get a palindrome (78922987).

The spelling of 51411572 in words is "fifty-one million, four hundred eleven thousand, five hundred seventy-two".