77525550053 has 8 divisors (see below), whose sum is σ = 88903022208. Its totient is φ = 66223676304.

The previous prime is 77525550019. The next prime is 77525550061. The reversal of 77525550053 is 35005552577.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 77525550053 - 2²⁴ = 77508772837 is a prime.

It is a super-2 number, since 2×77525550053² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77525549986 and 77525550013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77525550073) 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, 18897401 + ... + 18901502.

It is an arithmetic number, because the mean of its divisors is an integer number (11112877776).

Almost surely, 2^77525550053 is an apocalyptic number.

It is an amenable number.

77525550053 is a deficient number, since it is larger than the sum of its proper divisors (11377472155).

77525550053 is a wasteful number, since it uses less digits than its factorization.

77525550053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37799203.

The product of its (nonzero) digits is 918750, while the sum is 44.

The spelling of 77525550053 in words is "seventy-seven billion, five hundred twenty-five million, five hundred fifty thousand, fifty-three".