49697505 has 48 divisors (see below), whose sum is σ = 101215296. Its totient is φ = 22239360.

The previous prime is 49697441. The next prime is 49697507. The reversal of 49697505 is 50579694.

It is a happy number.

It is not a de Polignac number, because 49697505 - 2⁶ = 49697441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49697507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2574 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (2108652).

Almost surely, 2^49697505 is an apocalyptic number.

49697505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49697505 is an abundant number, since it is smaller than the sum of its proper divisors (51517791).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49697505 is a wasteful number, since it uses less digits than its factorization.

49697505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758 (or 7755 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 49697505 is about 7049.6457357799. The cubic root of 49697505 is about 367.6587125103.

The spelling of 49697505 in words is "forty-nine million, six hundred ninety-seven thousand, five hundred five".