60511551 has 32 divisors (see below), whose sum is σ = 90408960. Its totient is φ = 35802624.

The previous prime is 60511547. The next prime is 60511553. The reversal of 60511551 is 15511506.

It is not a de Polignac number, because 60511551 - 2² = 60511547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60511553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92341 + ... + 92993.

It is an arithmetic number, because the mean of its divisors is an integer number (2825280).

Almost surely, 2^60511551 is an apocalyptic number.

60511551 is a deficient number, since it is larger than the sum of its proper divisors (29897409).

60511551 is a wasteful number, since it uses less digits than its factorization.

60511551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 60511551 is about 7778.9170840163. The cubic root of 60511551 is about 392.5962029050.

The spelling of 60511551 in words is "sixty million, five hundred eleven thousand, five hundred fifty-one".