51488070 has 32 divisors (see below), whose sum is σ = 130841568. Its totient is φ = 12922368.

The previous prime is 51488029. The next prime is 51488089. The reversal of 51488070 is 7088415.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 49969 + ... + 50988.

It is an arithmetic number, because the mean of its divisors is an integer number (4088799).

Almost surely, 2^51488070 is an apocalyptic number.

51488070 is an abundant number, since it is smaller than the sum of its proper divisors (79353498).

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

51488070 is a wasteful number, since it uses less digits than its factorization.

51488070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100984.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 51488070 is about 7175.5187965749. The cubic root of 51488070 is about 372.0222122244.

The spelling of 51488070 in words is "fifty-one million, four hundred eighty-eight thousand, seventy".