55967505 has 32 divisors (see below), whose sum is σ = 98039808. Its totient is φ = 27038400.

The previous prime is 55967489. The next prime is 55967507. The reversal of 55967505 is 50576955.

It is not a de Polignac number, because 55967505 - 2⁴ = 55967489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55967507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70722 + ... + 71508.

It is an arithmetic number, because the mean of its divisors is an integer number (3063744).

Almost surely, 2^55967505 is an apocalyptic number.

55967505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55967505 is a deficient number, since it is larger than the sum of its proper divisors (42072303).

55967505 is a wasteful number, since it uses less digits than its factorization.

55967505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 55967505 is about 7481.1432949784. The cubic root of 55967505 is about 382.5122214045.

The spelling of 55967505 in words is "fifty-five million, nine hundred sixty-seven thousand, five hundred five".