53315870 has 16 divisors (see below), whose sum is σ = 96726528. Its totient is φ = 21157920.

The previous prime is 53315851. The next prime is 53315887. The reversal of 53315870 is 7851335.

53315870 = T₄₉ + T₅₀ + ... + T₆₈₃.

53315870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19721 + ... + 22260.

It is an arithmetic number, because the mean of its divisors is an integer number (6045408).

Almost surely, 2^53315870 is an apocalyptic number.

53315870 is a deficient number, since it is larger than the sum of its proper divisors (43410658).

53315870 is a wasteful number, since it uses less digits than its factorization.

53315870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42115.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 53315870 is about 7301.7717028130. The cubic root of 53315870 is about 376.3733230028.

The spelling of 53315870 in words is "fifty-three million, three hundred fifteen thousand, eight hundred seventy".