45513513550 has 24 divisors (see below), whose sum is σ = 84664811016. Its totient is φ = 18203324640.

The previous prime is 45513513541. The next prime is 45513513559. The reversal of 45513513550 is 5531531554.

It is an interprime number because it is at equal distance from previous prime (45513513541) and next prime (45513513559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45513513559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434952 + ... + 529348.

It is an arithmetic number, because the mean of its divisors is an integer number (3527700459).

Almost surely, 2^45513513550 is an apocalyptic number.

45513513550 is a deficient number, since it is larger than the sum of its proper divisors (39151297466).

45513513550 is a wasteful number, since it uses less digits than its factorization.

45513513550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104052 (or 104047 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 45513513550 in words is "forty-five billion, five hundred thirteen million, five hundred thirteen thousand, five hundred fifty".