60915855 has 64 divisors (see below), whose sum is σ = 130894848. Its totient is φ = 23362560.

The previous prime is 60915853. The next prime is 60915859. The reversal of 60915855 is 55851906.

It is not a de Polignac number, because 60915855 - 2¹ = 60915853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60915851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12987 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (2045232).

Almost surely, 2^60915855 is an apocalyptic number.

60915855 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

60915855 is an abundant number, since it is smaller than the sum of its proper divisors (69978993).

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

60915855 is a wasteful number, since it uses less digits than its factorization.

60915855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 60915855 is about 7804.8609853091. The cubic root of 60915855 is about 393.4686314371.

The spelling of 60915855 in words is "sixty million, nine hundred fifteen thousand, eight hundred fifty-five".