53457695420 has 48 divisors (see below), whose sum is σ = 113011845408. Its totient is φ = 21240441600.

The previous prime is 53457695399. The next prime is 53457695507. The reversal of 53457695420 is 2459675435.

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, 2522870 + ... + 2543970.

It is an arithmetic number, because the mean of its divisors is an integer number (2354413446).

Almost surely, 2^53457695420 is an apocalyptic number.

It is an amenable number.

53457695420 is an abundant number, since it is smaller than the sum of its proper divisors (59554149988).

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

53457695420 is a wasteful number, since it uses less digits than its factorization.

53457695420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21950 (or 21948 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 53457695420 in words is "fifty-three billion, four hundred fifty-seven million, six hundred ninety-five thousand, four hundred twenty".