54013620405556 has 24 divisors (see below), whose sum is σ = 108044391067200. Its totient is φ = 23145019404672.

The previous prime is 54013620405553. The next prime is 54013620405559. The reversal of 54013620405556 is 65550402631045.

It is an interprime number because it is at equal distance from previous prime (54013620405553) and next prime (54013620405559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54013620405553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152947765 + ... + 153300508.

It is an arithmetic number, because the mean of its divisors is an integer number (4501849627800).

Almost surely, 2^{54013620405556} is an apocalyptic number.

It is an amenable number.

54013620405556 is an abundant number, since it is smaller than the sum of its proper divisors (54030770661644).

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

54013620405556 is a wasteful number, since it uses less digits than its factorization.

54013620405556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306254583 (or 306254581 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 54013620405556 in words is "fifty-four trillion, thirteen billion, six hundred twenty million, four hundred five thousand, five hundred fifty-six".