51154650532 has 24 divisors (see below), whose sum is σ = 94516987040. Its totient is φ = 24157932480.

The previous prime is 51154650499. The next prime is 51154650539. The reversal of 51154650532 is 23505645115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51154650491 and 51154650500.

It is not an unprimeable number, because it can be changed into a prime (51154650539) 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, 991593 + ... + 1041904.

Almost surely, 2^51154650532 is an apocalyptic number.

It is an amenable number.

51154650532 is a deficient number, since it is larger than the sum of its proper divisors (43362336508).

51154650532 is a wasteful number, since it uses less digits than its factorization.

51154650532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033851 (or 2033849 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 51154650532 in words is "fifty-one billion, one hundred fifty-four million, six hundred fifty thousand, five hundred thirty-two".