54961919051832 has 72 divisors (see below), whose sum is σ = 161186397255000. Its totient is φ = 16911359704512.

The previous prime is 54961919051791. The next prime is 54961919051869. The reversal of 54961919051832 is 23815091916945.

54961919051832 is a `hidden beast` number, since 5 + 4 + 9 + 619 + 1 + 9 + 0 + 5 + 1 + 8 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 54961919051832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2258449332 + ... + 2258473667.

It is an arithmetic number, because the mean of its divisors is an integer number (2238699961875).

Almost surely, 2^{54961919051832} is an apocalyptic number.

54961919051832 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54961919051832 is an abundant number, since it is smaller than the sum of its proper divisors (106224478203168).

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

54961919051832 is a wasteful number, since it uses less digits than its factorization.

54961919051832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516923037 (or 4516923017 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 63.

The spelling of 54961919051832 in words is "fifty-four trillion, nine hundred sixty-one billion, nine hundred nineteen million, fifty-one thousand, eight hundred thirty-two".