61552134 has 72 divisors (see below), whose sum is σ = 163346040. Its totient is φ = 16656192.

The previous prime is 61552109. The next prime is 61552151. The reversal of 61552134 is 43125516.

61552134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61552098 and 61552107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14922 + ... + 18594.

It is an arithmetic number, because the mean of its divisors is an integer number (2268695).

Almost surely, 2^61552134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61552134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81673020).

61552134 is an abundant number, since it is smaller than the sum of its proper divisors (101793906).

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

61552134 is a wasteful number, since it uses less digits than its factorization.

61552134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714 (or 3704 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 61552134 is about 7845.5168089808. The cubic root of 61552134 is about 394.8338434847.

The spelling of 61552134 in words is "sixty-one million, five hundred fifty-two thousand, one hundred thirty-four".