51011552 has 12 divisors (see below), whose sum is σ = 100429056. Its totient is φ = 25505760.

The previous prime is 51011549. The next prime is 51011557. The reversal of 51011552 is 25511015.

It is a happy number.

51011552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797024 + ... + 797087.

It is an arithmetic number, because the mean of its divisors is an integer number (8369088).

Almost surely, 2^51011552 is an apocalyptic number.

It is an amenable number.

51011552 is a deficient number, since it is larger than the sum of its proper divisors (49417504).

51011552 is a wasteful number, since it uses less digits than its factorization.

51011552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594121 (or 1594113 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 51011552 is about 7142.2371845242. The cubic root of 51011552 is about 370.8709746695.

Adding to 51011552 its reverse (25511015), we get a palindrome (76522567).

The spelling of 51011552 in words is "fifty-one million, eleven thousand, five hundred fifty-two".