51480156 has 48 divisors (see below), whose sum is σ = 147843584. Its totient is φ = 13576896.

The previous prime is 51480151. The next prime is 51480167. The reversal of 51480156 is 65108415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51480151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22480 + ... + 24663.

Almost surely, 2^51480156 is an apocalyptic number.

It is an amenable number.

51480156 is an abundant number, since it is smaller than the sum of its proper divisors (96363428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51480156 is a wasteful number, since it uses less digits than its factorization.

51480156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47170 (or 47168 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51480156 is about 7174.9673169987. The cubic root of 51480156 is about 372.0031506266.

The spelling of 51480156 in words is "fifty-one million, four hundred eighty thousand, one hundred fifty-six".