83554960 has 20 divisors (see below), whose sum is σ = 194265468. Its totient is φ = 33421952.

The previous prime is 83554957. The next prime is 83554973. The reversal of 83554960 is 6945538.

It can be written as a sum of positive squares in 2 ways, for example, as 51609856 + 31945104 = 7184^2 + 5652^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 522139 + ... + 522298.

Almost surely, 2^83554960 is an apocalyptic number.

83554960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83554960 is an abundant number, since it is smaller than the sum of its proper divisors (110710508).

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

83554960 is a wasteful number, since it uses less digits than its factorization.

83554960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044450 (or 1044444 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 83554960 is about 9140.8402239619. The cubic root of 83554960 is about 437.1771070565.

The spelling of 83554960 in words is "eighty-three million, five hundred fifty-four thousand, nine hundred sixty".