53263737 has 40 divisors (see below), whose sum is σ = 86144256. Its totient is φ = 32669568.

The previous prime is 53263733. The next prime is 53263747. The reversal of 53263737 is 73736235.

It is a happy number.

It is not a de Polignac number, because 53263737 - 2² = 53263733 is a prime.

It is a super-3 number, since 3×53263737³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53263733) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64308 + ... + 65130.

Almost surely, 2^53263737 is an apocalyptic number.

It is an amenable number.

53263737 is a deficient number, since it is larger than the sum of its proper divisors (32880519).

53263737 is a wasteful number, since it uses less digits than its factorization.

53263737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 890 counting only the distinct ones).

The product of its digits is 79380, while the sum is 36.

The square root of 53263737 is about 7298.2009426981. The cubic root of 53263737 is about 376.2506086384.

The spelling of 53263737 in words is "fifty-three million, two hundred sixty-three thousand, seven hundred thirty-seven".