57154532850 has 96 divisors (see below), whose sum is σ = 157555332480. Its totient is φ = 15235128000.

The previous prime is 57154532849. The next prime is 57154532857. The reversal of 57154532850 is 5823545175.

57154532850 is a `hidden beast` number, since 5 + 71 + 545 + 32 + 8 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 57154532796 and 57154532805.

It is not an unprimeable number, because it can be changed into a prime (57154532857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4125435 + ... + 4139265.

It is an arithmetic number, because the mean of its divisors is an integer number (1641201380).

Almost surely, 2^57154532850 is an apocalyptic number.

57154532850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57154532850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78777666240).

57154532850 is an abundant number, since it is smaller than the sum of its proper divisors (100400799630).

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

57154532850 is a wasteful number, since it uses less digits than its factorization.

57154532850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16913 (or 16902 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 57154532850 in words is "fifty-seven billion, one hundred fifty-four million, five hundred thirty-two thousand, eight hundred fifty".