53773211451 has 4 divisors (see below), whose sum is σ = 71697615272. Its totient is φ = 35848807632.

The previous prime is 53773211389. The next prime is 53773211483. The reversal of 53773211451 is 15411237735.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53773211451 - 2²² = 53769017147 is a prime.

It is a super-4 number, since 4×53773211451⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53773211251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8962201906 + ... + 8962201911.

It is an arithmetic number, because the mean of its divisors is an integer number (17924403818).

Almost surely, 2^53773211451 is an apocalyptic number.

53773211451 is a deficient number, since it is larger than the sum of its proper divisors (17924403821).

53773211451 is a wasteful number, since it uses less digits than its factorization.

53773211451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17924403820.

The product of its digits is 88200, while the sum is 39.

The spelling of 53773211451 in words is "fifty-three billion, seven hundred seventy-three million, two hundred eleven thousand, four hundred fifty-one".