61057296 has 60 divisors (see below), whose sum is σ = 176779980. Its totient is φ = 19649280.

The previous prime is 61057261. The next prime is 61057307. The reversal of 61057296 is 69275016.

It can be written as a sum of positive squares in 2 ways, for example, as 9734400 + 51322896 = 3120^2 + 7164^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61057296.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3135 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (2946333).

Almost surely, 2^61057296 is an apocalyptic number.

It is an amenable number.

61057296 is an abundant number, since it is smaller than the sum of its proper divisors (115722684).

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

61057296 is a wasteful number, since it uses less digits than its factorization.

61057296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14664 (or 14655 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 61057296 is about 7813.9168155286. The cubic root of 61057296 is about 393.7729286724.

The spelling of 61057296 in words is "sixty-one million, fifty-seven thousand, two hundred ninety-six".