51150489 has 16 divisors (see below), whose sum is σ = 77313600. Its totient is φ = 29820096.

The previous prime is 51150469. The next prime is 51150499. The reversal of 51150489 is 98405115.

It is not a de Polignac number, because 51150489 - 2⁷ = 51150361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51150439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33774 + ... + 35255.

It is an arithmetic number, because the mean of its divisors is an integer number (4832100).

Almost surely, 2^51150489 is an apocalyptic number.

It is an amenable number.

51150489 is a deficient number, since it is larger than the sum of its proper divisors (26163111).

51150489 is a wasteful number, since it uses less digits than its factorization.

51150489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69064.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 51150489 is about 7151.9570049043. The cubic root of 51150489 is about 371.2073755324.

The spelling of 51150489 in words is "fifty-one million, one hundred fifty thousand, four hundred eighty-nine".