55077373 has 16 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 49242816.

The previous prime is 55077329. The next prime is 55077377. The reversal of 55077373 is 37377055.

It is a cyclic number.

It is not a de Polignac number, because 55077373 - 2¹⁷ = 54946301 is a prime.

It is a super-2 number, since 2×55077373² = 6067034033162258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55077377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66186 + ... + 67012.

It is an arithmetic number, because the mean of its divisors is an integer number (3825360).

Almost surely, 2^55077373 is an apocalyptic number.

It is an amenable number.

55077373 is a deficient number, since it is larger than the sum of its proper divisors (6128387).

55077373 is a wasteful number, since it uses less digits than its factorization.

55077373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 77175, while the sum is 37.

The square root of 55077373 is about 7421.4131403662. The cubic root of 55077373 is about 380.4734933298.

It can be divided in two parts, 5507 and 7373, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 55077373 in words is "fifty-five million, seventy-seven thousand, three hundred seventy-three".