57121545045 has 48 divisors (see below), whose sum is σ = 97334345088. Its totient is φ = 28599690240.

The previous prime is 57121545001. The next prime is 57121545049. The reversal of 57121545045 is 54054512175.

It is not a de Polignac number, because 57121545045 - 2⁷ = 57121544917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57121544994 and 57121545012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57121545049) 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, 1704400 + ... + 1737590.

It is an arithmetic number, because the mean of its divisors is an integer number (2027798856).

Almost surely, 2^57121545045 is an apocalyptic number.

It is an amenable number.

57121545045 is a deficient number, since it is larger than the sum of its proper divisors (40212800043).

57121545045 is a wasteful number, since it uses less digits than its factorization.

57121545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630 (or 33613 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 57121545045 in words is "fifty-seven billion, one hundred twenty-one million, five hundred forty-five thousand, forty-five".