61886052 has 96 divisors (see below), whose sum is σ = 174666240. Its totient is φ = 18869760.

The previous prime is 61886017. The next prime is 61886053. The reversal of 61886052 is 25068816.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 61885998 and 61886016.

It is not an unprimeable number, because it can be changed into a prime (61886053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67477 + ... + 68387.

It is an arithmetic number, because the mean of its divisors is an integer number (1819440).

Almost surely, 2^61886052 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 61886052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87333120).

61886052 is an abundant number, since it is smaller than the sum of its proper divisors (112780188).

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

61886052 is a wasteful number, since it uses less digits than its factorization.

61886052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 61886052 is about 7866.7688411444. The cubic root of 61886052 is about 395.5465424707.

The spelling of 61886052 in words is "sixty-one million, eight hundred eighty-six thousand, fifty-two".