52734981 has 16 divisors (see below), whose sum is σ = 76763456. Its totient is φ = 32006016.

The previous prime is 52734973. The next prime is 52734991. The reversal of 52734981 is 18943725.

It is not a de Polignac number, because 52734981 - 2³ = 52734973 is a prime.

It is a super-2 number, since 2×52734981² = 5561956442140722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52734911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6415 + ... + 12108.

It is an arithmetic number, because the mean of its divisors is an integer number (4797716).

Almost surely, 2^52734981 is an apocalyptic number.

It is an amenable number.

52734981 is a deficient number, since it is larger than the sum of its proper divisors (24028475).

52734981 is a wasteful number, since it uses less digits than its factorization.

52734981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18612.

The product of its digits is 60480, while the sum is 39.

The square root of 52734981 is about 7261.8854989596. The cubic root of 52734981 is about 375.0014364389.

The spelling of 52734981 in words is "fifty-two million, seven hundred thirty-four thousand, nine hundred eighty-one".