53376731 has 4 divisors (see below), whose sum is σ = 53392464. Its totient is φ = 53361000.

The previous prime is 53376727. The next prime is 53376749. The reversal of 53376731 is 13767335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13767335 = 5 ⋅2753467.

It is a cyclic number.

It is not a de Polignac number, because 53376731 - 2² = 53376727 is a prime.

It is a super-2 number, since 2×53376731² = 5698150824492722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53376691 and 53376700.

It is not an unprimeable number, because it can be changed into a prime (53376751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (13348116).

Almost surely, 2^53376731 is an apocalyptic number.

53376731 is a deficient number, since it is larger than the sum of its proper divisors (15733).

53376731 is a wasteful number, since it uses less digits than its factorization.

53376731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15732.

The product of its digits is 39690, while the sum is 35.

The square root of 53376731 is about 7305.9380643419. The cubic root of 53376731 is about 376.5164807924.

The spelling of 53376731 in words is "fifty-three million, three hundred seventy-six thousand, seven hundred thirty-one".