55736331550 has 24 divisors (see below), whose sum is σ = 103690374552. Its totient is φ = 22290060000.

The previous prime is 55736331509. The next prime is 55736331557. The reversal of 55736331550 is 5513363755.

It is a junction number, because it is equal to n+sod(n) for n = 55736331497 and 55736331506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55736331557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145785 + ... + 364315.

It is an arithmetic number, because the mean of its divisors is an integer number (4320432273).

Almost surely, 2^55736331550 is an apocalyptic number.

55736331550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55736331550 is a deficient number, since it is larger than the sum of its proper divisors (47954043002).

55736331550 is a wasteful number, since it uses less digits than its factorization.

55736331550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223644 (or 223639 counting only the distinct ones).

The product of its (nonzero) digits is 708750, while the sum is 43.

The spelling of 55736331550 in words is "fifty-five billion, seven hundred thirty-six million, three hundred thirty-one thousand, five hundred fifty".