57154983480 has 320 divisors, whose sum is σ = 221287587840. Its totient is φ = 12960476928.

The previous prime is 57154983469. The next prime is 57154983499. The reversal of 57154983480 is 8438945175.

57154983480 is a `hidden beast` number, since 5 + 7 + 154 + 9 + 8 + 3 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2870439 + ... + 2890281.

It is an arithmetic number, because the mean of its divisors is an integer number (691523712).

Almost surely, 2^57154983480 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 57154983480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110643793920).

57154983480 is an abundant number, since it is smaller than the sum of its proper divisors (164132604360).

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

57154983480 is a wasteful number, since it uses less digits than its factorization.

57154983480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000 (or 19987 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 57154983480 in words is "fifty-seven billion, one hundred fifty-four million, nine hundred eighty-three thousand, four hundred eighty".