61057000 has 32 divisors (see below), whose sum is σ = 142875720. Its totient is φ = 24422400.

The previous prime is 61056997. The next prime is 61057039. The reversal of 61057000 is 75016.

It can be written as a sum of positive squares in 4 ways, for example, as 31832164 + 29224836 = 5642^2 + 5406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29529 + ... + 31528.

Almost surely, 2^61057000 is an apocalyptic number.

It is an amenable number.

61057000 is an abundant number, since it is smaller than the sum of its proper divisors (81818720).

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

61057000 is a wasteful number, since it uses less digits than its factorization.

61057000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61078 (or 61064 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 61057000 is about 7813.8978749405. The cubic root of 61057000 is about 393.7722923467.

The spelling of 61057000 in words is "sixty-one million, fifty-seven thousand".