60561155 has 4 divisors (see below), whose sum is σ = 72673392. Its totient is φ = 48448920.

The previous prime is 60561133. The next prime is 60561161. The reversal of 60561155 is 55116506.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 60561155 - 2¹⁰ = 60560131 is a prime.

It is a Duffinian number.

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, 6056111 + ... + 6056120.

It is an arithmetic number, because the mean of its divisors is an integer number (18168348).

Almost surely, 2^60561155 is an apocalyptic number.

60561155 is a deficient number, since it is larger than the sum of its proper divisors (12112237).

60561155 is a wasteful number, since it uses less digits than its factorization.

60561155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112236.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 60561155 is about 7782.1047924067. The cubic root of 60561155 is about 392.7034497740.

The spelling of 60561155 in words is "sixty million, five hundred sixty-one thousand, one hundred fifty-five".