61552135 has 8 divisors (see below), whose sum is σ = 75580560. Its totient is φ = 48096384.

The previous prime is 61552109. The next prime is 61552151. The reversal of 61552135 is 53125516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61552135 - 2⁵ = 61552103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142930 + ... + 143359.

It is an arithmetic number, because the mean of its divisors is an integer number (9447570).

Almost surely, 2^61552135 is an apocalyptic number.

61552135 is a deficient number, since it is larger than the sum of its proper divisors (14028425).

61552135 is a wasteful number, since it uses less digits than its factorization.

61552135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286337.

The product of its digits is 4500, while the sum is 28.

The square root of 61552135 is about 7845.5168727114. The cubic root of 61552135 is about 394.8338456230.

The spelling of 61552135 in words is "sixty-one million, five hundred fifty-two thousand, one hundred thirty-five".