53923532390 has 32 divisors (see below), whose sum is σ = 119461366080. Its totient is φ = 17065908864.

The previous prime is 53923532389. The next prime is 53923532417. The reversal of 53923532390 is 9323532935.

It is a super-2 number, since 2×53923532390² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29627405 + ... + 29629224.

It is an arithmetic number, because the mean of its divisors is an integer number (3733167690).

Almost surely, 2^53923532390 is an apocalyptic number.

53923532390 is an abundant number, since it is smaller than the sum of its proper divisors (65537833690).

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

53923532390 is a wasteful number, since it uses less digits than its factorization.

53923532390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59256656.

The product of its (nonzero) digits is 656100, while the sum is 44.

The spelling of 53923532390 in words is "fifty-three billion, nine hundred twenty-three million, five hundred thirty-two thousand, three hundred ninety".