54161787504 has 80 divisors (see below), whose sum is σ = 152779042944. Its totient is φ = 16397472000.

The previous prime is 54161787503. The next prime is 54161787523. The reversal of 54161787504 is 40578716145.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54161787503) 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, 530179 + ... + 624029.

Almost surely, 2^54161787504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54161787504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76389521472).

54161787504 is an abundant number, since it is smaller than the sum of its proper divisors (98617255440).

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

54161787504 is a wasteful number, since it uses less digits than its factorization.

54161787504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94966 (or 94960 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 54161787504 in words is "fifty-four billion, one hundred sixty-one million, seven hundred eighty-seven thousand, five hundred four".