7497216053 has 4 divisors (see below), whose sum is σ = 7938228780. Its totient is φ = 7056203328.

The previous prime is 7497216043. The next prime is 7497216059. The reversal of 7497216053 is 3506127947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3506127947 = 7 ⋅500875421.

It can be written as a sum of positive squares in 2 ways, for example, as 5439505009 + 2057711044 = 73753^2 + 45362^2 .

It is not a de Polignac number, because 7497216053 - 2¹⁶ = 7497150517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7497215995 and 7497216013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7497216059) 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, 220506338 + ... + 220506371.

It is an arithmetic number, because the mean of its divisors is an integer number (1984557195).

Almost surely, 2^7497216053 is an apocalyptic number.

It is an amenable number.

7497216053 is a deficient number, since it is larger than the sum of its proper divisors (441012727).

7497216053 is a wasteful number, since it uses less digits than its factorization.

7497216053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441012726.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 7497216053 is about 86586.4657611107. The cubic root of 7497216053 is about 1957.1915954106.

The spelling of 7497216053 in words is "seven billion, four hundred ninety-seven million, two hundred sixteen thousand, fifty-three".