49001497655 has 24 divisors (see below), whose sum is σ = 65030035056. Its totient is φ = 35418746880.

The previous prime is 49001497621. The next prime is 49001497661. The reversal of 49001497655 is 55679410094.

It is not a de Polignac number, because 49001497655 - 2¹⁰ = 49001496631 is a prime.

It is a super-2 number, since 2×49001497655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149834 + ... + 347063.

It is an arithmetic number, because the mean of its divisors is an integer number (2709584794).

Almost surely, 2^49001497655 is an apocalyptic number.

49001497655 is a deficient number, since it is larger than the sum of its proper divisors (16028537401).

49001497655 is a wasteful number, since it uses less digits than its factorization.

49001497655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497087 (or 497076 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 49001497655 in words is "forty-nine billion, one million, four hundred ninety-seven thousand, six hundred fifty-five".