45201553 has 2 divisors, whose sum is σ = 45201554. Its totient is φ = 45201552.

The previous prime is 45201539. The next prime is 45201593. The reversal of 45201553 is 35510254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23746129 + 21455424 = 4873^2 + 4632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45201553 is a prime.

It is a super-2 number, since 2×45201553² = 4086360787223618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45201523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22600776 + 22600777.

It is an arithmetic number, because the mean of its divisors is an integer number (22600777).

Almost surely, 2^45201553 is an apocalyptic number.

It is an amenable number.

45201553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45201553 is an equidigital number, since it uses as much as digits as its factorization.

45201553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45201553 is about 6723.2100220059. The cubic root of 45201553 is about 356.2195784836.

It can be divided in two parts, 45201 and 553, that added together give a palindrome (45754).

The spelling of 45201553 in words is "forty-five million, two hundred one thousand, five hundred fifty-three".