53654731 has 4 divisors (see below), whose sum is σ = 57782032. Its totient is φ = 49527432.

The previous prime is 53654729. The next prime is 53654743. The reversal of 53654731 is 13745635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13745635 = 5 ⋅2749127.

It is a cyclic number.

It is not a de Polignac number, because 53654731 - 2¹ = 53654729 is a prime.

It is a super-2 number, since 2×53654731² = 5757660317364722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53654761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063631 + ... + 2063656.

It is an arithmetic number, because the mean of its divisors is an integer number (14445508).

Almost surely, 2^53654731 is an apocalyptic number.

53654731 is a deficient number, since it is larger than the sum of its proper divisors (4127301).

53654731 is a wasteful number, since it uses less digits than its factorization.

53654731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127300.

The product of its digits is 37800, while the sum is 34.

The square root of 53654731 is about 7324.9389758550. The cubic root of 53654731 is about 377.1690147379.

It can be divided in two parts, 53 and 654731, that multiplied together give a palindrome (34700743).

The spelling of 53654731 in words is "fifty-three million, six hundred fifty-four thousand, seven hundred thirty-one".