49977772 has 24 divisors (see below), whose sum is σ = 95256000. Its totient is φ = 22805376.

The previous prime is 49977769. The next prime is 49977791. The reversal of 49977772 is 27777994.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 10027.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2^49977772 is an apocalyptic number.

It is an amenable number.

49977772 is a deficient number, since it is larger than the sum of its proper divisors (45278228).

49977772 is a wasteful number, since it uses less digits than its factorization.

49977772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905 (or 10903 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 52.

The square root of 49977772 is about 7069.4958801883. The cubic root of 49977772 is about 368.3485493374.

It can be divided in two parts, 499777 and 72, that added together give a square (499849 = 707²).

The spelling of 49977772 in words is "forty-nine million, nine hundred seventy-seven thousand, seven hundred seventy-two".