53779263 has 8 divisors (see below), whose sum is σ = 72102576. Its totient is φ = 35654400.

The previous prime is 53779261. The next prime is 53779289. The reversal of 53779263 is 36297735.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53779263 - 2¹ = 53779261 is a prime.

It is a super-3 number, since 3×53779263³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53779261) 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, 48978 + ... + 50063.

It is an arithmetic number, because the mean of its divisors is an integer number (9012822).

Almost surely, 2^53779263 is an apocalyptic number.

53779263 is a deficient number, since it is larger than the sum of its proper divisors (18323313).

53779263 is a wasteful number, since it uses less digits than its factorization.

53779263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99225.

The product of its digits is 238140, while the sum is 42.

The square root of 53779263 is about 7333.4345977857. The cubic root of 53779263 is about 377.4605908892.

It can be divided in two parts, 537 and 79263, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 53779263 in words is "fifty-three million, seven hundred seventy-nine thousand, two hundred sixty-three".