53881953 has 8 divisors (see below), whose sum is σ = 73784448. Its totient is φ = 34950384.

The previous prime is 53881907. The next prime is 53881981. The reversal of 53881953 is 35918835.

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

It is not a de Polignac number, because 53881953 - 2⁸ = 53881697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53881153) 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, 242601 + ... + 242822.

It is an arithmetic number, because the mean of its divisors is an integer number (9223056).

Almost surely, 2^53881953 is an apocalyptic number.

It is an amenable number.

53881953 is a deficient number, since it is larger than the sum of its proper divisors (19902495).

53881953 is a wasteful number, since it uses less digits than its factorization.

53881953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485463.

The product of its digits is 129600, while the sum is 42.

The square root of 53881953 is about 7340.4327529104. The cubic root of 53881953 is about 377.7006882846.

The spelling of 53881953 in words is "fifty-three million, eight hundred eighty-one thousand, nine hundred fifty-three".