49169554 has 16 divisors (see below), whose sum is σ = 86251968. Its totient is φ = 20582352.

The previous prime is 49169551. The next prime is 49169581. The reversal of 49169554 is 45596194.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 49169554.

It is not an unprimeable number, because it can be changed into a prime (49169551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40237 + ... + 41440.

It is an arithmetic number, because the mean of its divisors is an integer number (5390748).

Almost surely, 2^49169554 is an apocalyptic number.

49169554 is a deficient number, since it is larger than the sum of its proper divisors (37082414).

49169554 is a wasteful number, since it uses less digits than its factorization.

49169554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81729.

The product of its digits is 194400, while the sum is 43.

The square root of 49169554 is about 7012.1005412073. The cubic root of 49169554 is about 366.3521598787.

The spelling of 49169554 in words is "forty-nine million, one hundred sixty-nine thousand, five hundred fifty-four".