49816008025 has 45 divisors (see below), whose sum is σ = 72142060223. Its totient is φ = 34122051600.

The previous prime is 49816008023. The next prime is 49816008061. The reversal of 49816008025 is 52080061894.

It is a happy number.

The square root of 49816008025 is 223195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17933762889 + 31882245136 = 133917^2 + 178556^2 .

It is not a de Polignac number, because 49816008025 - 2¹ = 49816008023 is a prime.

It is a super-4 number, since 4×49816008025⁴ (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 (49816008023) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 54682320 + ... + 54683230.

Almost surely, 2^49816008025 is an apocalyptic number.

49816008025 is the 223195-th square number.

49816008025 is the 111598-th centered octagonal number.

It is an amenable number.

49816008025 is a deficient number, since it is larger than the sum of its proper divisors (22326052198).

49816008025 is an frugal number, since it uses more digits than its factorization.

49816008025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 49816008025 in words is "forty-nine billion, eight hundred sixteen million, eight thousand, twenty-five".