57236353650 has 432 divisors, whose sum is σ = 187214017536. Its totient is φ = 12962436480.

The previous prime is 57236353631. The next prime is 57236353679. The reversal of 57236353650 is 5635363275.

57236353650 is a `hidden beast` number, since 5 + 7 + 2 + 3 + 63 + 536 + 50 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57236353596 and 57236353605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 75609072 + ... + 75609828.

Almost surely, 2^57236353650 is an apocalyptic number.

57236353650 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 57236353650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93607008768).

57236353650 is an abundant number, since it is smaller than the sum of its proper divisors (129977663886).

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

57236353650 is a wasteful number, since it uses less digits than its factorization.

57236353650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 45.

The spelling of 57236353650 in words is "fifty-seven billion, two hundred thirty-six million, three hundred fifty-three thousand, six hundred fifty".