53941987 has 8 divisors (see below), whose sum is σ = 59077872. Its totient is φ = 48844800.

The previous prime is 53941981. The next prime is 53942033. The reversal of 53941987 is 78914935.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53941987 - 2¹¹ = 53939939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53941981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (7384734).

Almost surely, 2^53941987 is an apocalyptic number.

53941987 is a deficient number, since it is larger than the sum of its proper divisors (5135885).

53941987 is a wasteful number, since it uses less digits than its factorization.

53941987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19349.

The product of its digits is 272160, while the sum is 46.

The square root of 53941987 is about 7344.5208829440. The cubic root of 53941987 is about 377.8409112832.

It can be divided in two parts, 5394 and 1987, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 53941987 in words is "fifty-three million, nine hundred forty-one thousand, nine hundred eighty-seven".