61485056 has 52 divisors (see below), whose sum is σ = 130335192. Its totient is φ = 28901376.

The previous prime is 61485043. The next prime is 61485091. The reversal of 61485056 is 65058416.

It is a happy number.

It is a super-2 number, since 2×61485056² = 7560824222646272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69191 + ... + 70073.

It is an arithmetic number, because the mean of its divisors is an integer number (2506446).

Almost surely, 2^61485056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61485056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65167596).

61485056 is an abundant number, since it is smaller than the sum of its proper divisors (68850136).

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

61485056 is an equidigital number, since it uses as much as digits as its factorization.

61485056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 61485056 is about 7841.2407181517. The cubic root of 61485056 is about 394.6903646187.

The spelling of 61485056 in words is "sixty-one million, four hundred eighty-five thousand, fifty-six".