53777696 has 36 divisors (see below), whose sum is σ = 123164118. Its totient is φ = 23046912.

The previous prime is 53777693. The next prime is 53777699. The reversal of 53777696 is 69677735.

It is an interprime number because it is at equal distance from previous prime (53777693) and next prime (53777699).

It can be written as a sum of positive squares in only one way, i.e., 32947600 + 20830096 = 5740^2 + 4564^2 .

It is not an unprimeable number, because it can be changed into a prime (53777693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15581 + ... + 18716.

Almost surely, 2^53777696 is an apocalyptic number.

53777696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53777696 is an abundant number, since it is smaller than the sum of its proper divisors (69386422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53777696 is a wasteful number, since it uses less digits than its factorization.

53777696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34321 (or 34306 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 50.

The square root of 53777696 is about 7333.3277575736. The cubic root of 53777696 is about 377.4569247518.

The spelling of 53777696 in words is "fifty-three million, seven hundred seventy-seven thousand, six hundred ninety-six".