185053980 has 48 divisors (see below), whose sum is σ = 518926464. Its totient is φ = 49273920.

The previous prime is 185053969. The next prime is 185053991. The reversal of 185053980 is 89350581.

185053980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (185053969) and next prime (185053991).

It is a super-3 number, since 3×185053980³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46759 + ... + 50561.

It is an arithmetic number, because the mean of its divisors is an integer number (10810968).

Almost surely, 2^185053980 is an apocalyptic number.

185053980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185053980 is an abundant number, since it is smaller than the sum of its proper divisors (333872484).

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

185053980 is a wasteful number, since it uses less digits than its factorization.

185053980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 185053980 is about 13603.4547082717. The cubic root of 185053980 is about 569.8573357948.

The spelling of 185053980 in words is "one hundred eighty-five million, fifty-three thousand, nine hundred eighty".