57021849753 has 32 divisors (see below), whose sum is σ = 87355622400. Its totient is φ = 32721278400.

The previous prime is 57021849713. The next prime is 57021849821. The reversal of 57021849753 is 35794812075.

It is not a de Polignac number, because 57021849753 - 2¹⁰ = 57021848729 is a prime.

It is a super-2 number, since 2×57021849753² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57021849696 and 57021849705.

It is not an unprimeable number, because it can be changed into a prime (57021849713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123203 + ... + 1172871.

It is an arithmetic number, because the mean of its divisors is an integer number (2729863200).

Almost surely, 2^57021849753 is an apocalyptic number.

It is an amenable number.

57021849753 is a deficient number, since it is larger than the sum of its proper divisors (30333772647).

57021849753 is a wasteful number, since it uses less digits than its factorization.

57021849753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51533.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 57021849753 in words is "fifty-seven billion, twenty-one million, eight hundred forty-nine thousand, seven hundred fifty-three".