61055316 has 48 divisors (see below), whose sum is σ = 180906880. Its totient is φ = 17444160.

The previous prime is 61055297. The next prime is 61055321. The reversal of 61055316 is 61355016.

It is a happy number.

It is a super-2 number, since 2×61055316² = 7455503223719712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 61055316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39625 + ... + 41136.

Almost surely, 2^61055316 is an apocalyptic number.

It is an amenable number.

61055316 is an abundant number, since it is smaller than the sum of its proper divisors (119851564).

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

61055316 is a wasteful number, since it uses less digits than its factorization.

61055316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80781 (or 80773 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 61055316 is about 7813.7901174782. The cubic root of 61055316 is about 393.7686721304.

The spelling of 61055316 in words is "sixty-one million, fifty-five thousand, three hundred sixteen".