77450053 has 8 divisors (see below), whose sum is σ = 78968160. Its totient is φ = 75940080.

The previous prime is 77450047. The next prime is 77450071. The reversal of 77450053 is 35005477.

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 77450053 - 2¹⁷ = 77318981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77449997 and 77450024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77450003) 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, 19338 + ... + 22996.

It is an arithmetic number, because the mean of its divisors is an integer number (9871020).

Almost surely, 2^77450053 is an apocalyptic number.

It is an amenable number.

77450053 is a deficient number, since it is larger than the sum of its proper divisors (1518107).

77450053 is a wasteful number, since it uses less digits than its factorization.

77450053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 77450053 is about 8800.5711746454. The cubic root of 77450053 is about 426.2593382944.

The spelling of 77450053 in words is "seventy-seven million, four hundred fifty thousand, fifty-three".