51078152 has 16 divisors (see below), whose sum is σ = 97999440. Its totient is φ = 24944976.

The previous prime is 51078151. The next prime is 51078179. The reversal of 51078152 is 25187015.

It is a super-2 number, since 2×51078152² = 5217955223470208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51078151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73898 + ... + 74585.

It is an arithmetic number, because the mean of its divisors is an integer number (6124965).

Almost surely, 2^51078152 is an apocalyptic number.

It is an amenable number.

51078152 is a deficient number, since it is larger than the sum of its proper divisors (46921288).

51078152 is a wasteful number, since it uses less digits than its factorization.

51078152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148532 (or 148528 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 51078152 is about 7146.8980683930. The cubic root of 51078152 is about 371.0323058739.

The spelling of 51078152 in words is "fifty-one million, seventy-eight thousand, one hundred fifty-two".