53440555303542 has 32 divisors (see below), whose sum is σ = 116597854289664. Its totient is φ = 16194068906400.

The previous prime is 53440555303517. The next prime is 53440555303547. The reversal of 53440555303542 is 24530355504435.

It is a junction number, because it is equal to n+sod(n) for n = 53440555303491 and 53440555303500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440555303547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39557463 + ... + 40886109.

It is an arithmetic number, because the mean of its divisors is an integer number (3643682946552).

Almost surely, 2^{53440555303542} is an apocalyptic number.

53440555303542 is an abundant number, since it is smaller than the sum of its proper divisors (63157298986122).

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

53440555303542 is a wasteful number, since it uses less digits than its factorization.

53440555303542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938084.

The product of its (nonzero) digits is 10800000, while the sum is 48.

The spelling of 53440555303542 in words is "fifty-three trillion, four hundred forty billion, five hundred fifty-five million, three hundred three thousand, five hundred forty-two".