77048550 has 48 divisors (see below), whose sum is σ = 212315280. Its totient is φ = 20545920.

The previous prime is 77048537. The next prime is 77048599. The reversal of 77048550 is 5584077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27187 + ... + 29886.

It is an arithmetic number, because the mean of its divisors is an integer number (4423235).

Almost surely, 2^77048550 is an apocalyptic number.

77048550 is an abundant number, since it is smaller than the sum of its proper divisors (135266730).

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

77048550 is a wasteful number, since it uses less digits than its factorization.

77048550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57094 (or 57083 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 77048550 is about 8777.7303444569. The cubic root of 77048550 is about 425.5214821316.

The spelling of 77048550 in words is "seventy-seven million, forty-eight thousand, five hundred fifty".