49645055451 has 16 divisors (see below), whose sum is σ = 67860219168. Its totient is φ = 32264544000.

The previous prime is 49645055437. The next prime is 49645055489. The reversal of 49645055451 is 15455054694.

It is not a de Polignac number, because 49645055451 - 2⁹ = 49645054939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49645055451.

It is not an unprimeable number, because it can be changed into a prime (49645055401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4905 + ... + 315141.

It is an arithmetic number, because the mean of its divisors is an integer number (4241263698).

Almost surely, 2^49645055451 is an apocalyptic number.

49645055451 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49645055451 is a deficient number, since it is larger than the sum of its proper divisors (18215163717).

49645055451 is a wasteful number, since it uses less digits than its factorization.

49645055451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311582.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 49645055451 in words is "forty-nine billion, six hundred forty-five million, fifty-five thousand, four hundred fifty-one".