53536761 has 8 divisors (see below), whose sum is σ = 79313760. Its totient is φ = 35691156.

The previous prime is 53536741. The next prime is 53536781. The reversal of 53536761 is 16763535.

It is a happy number.

53536761 is a `hidden beast` number, since 53 + 536 + 76 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (53536741) and next prime (53536781).

It is not a de Polignac number, because 53536761 - 2¹¹ = 53534713 is a prime.

It is a super-2 number, since 2×53536761² = 5732369556742242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53536741) 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, 991395 + ... + 991448.

It is an arithmetic number, because the mean of its divisors is an integer number (9914220).

Almost surely, 2^53536761 is an apocalyptic number.

It is an amenable number.

53536761 is a deficient number, since it is larger than the sum of its proper divisors (25776999).

53536761 is a wasteful number, since it uses less digits than its factorization.

53536761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982852 (or 1982846 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 53536761 is about 7316.8819178664. The cubic root of 53536761 is about 376.8923862675.

The spelling of 53536761 in words is "fifty-three million, five hundred thirty-six thousand, seven hundred sixty-one".