65211048 has 256 divisors, whose sum is σ = 228096000. Its totient is φ = 16837632.

The previous prime is 65211023. The next prime is 65211077. The reversal of 65211048 is 84011256.

65211048 is a `hidden beast` number, since 652 + 1 + 1 + 0 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1105243 + ... + 1105301.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^65211048 is an apocalyptic number.

65211048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65211048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114048000).

65211048 is an abundant number, since it is smaller than the sum of its proper divisors (162884952).

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

65211048 is a wasteful number, since it uses less digits than its factorization.

65211048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 65211048 is about 8075.3357824923. The cubic root of 65211048 is about 402.5072678497.

It can be divided in two parts, 6521 and 1048, that added together give a square (7569 = 87²).

The spelling of 65211048 in words is "sixty-five million, two hundred eleven thousand, forty-eight".