57455820270 has 96 divisors (see below), whose sum is σ = 153807413760. Its totient is φ = 14871790080.

The previous prime is 57455820269. The next prime is 57455820299. The reversal of 57455820270 is 7202855475.

57455820270 is a `hidden beast` number, since 5 + 7 + 4 + 558 + 20 + 2 + 70 = 666.

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

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 687411 + ... + 766449.

It is an arithmetic number, because the mean of its divisors is an integer number (1602160560).

Almost surely, 2^57455820270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57455820270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76903706880).

57455820270 is an abundant number, since it is smaller than the sum of its proper divisors (96351593490).

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

57455820270 is a wasteful number, since it uses less digits than its factorization.

57455820270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79290 (or 79287 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The spelling of 57455820270 in words is "fifty-seven billion, four hundred fifty-five million, eight hundred twenty thousand, two hundred seventy".